Formula List Flashcards

(186 cards)

1
Q

What is the Logarithm Product Rule?

A

ln(ab) = ln(a) + ln(b)

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2
Q

What is the Logarithm Quotient Rule?

A

ln(a/b) = ln(a) - ln(b)

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3
Q

What is the Logarithm Power Rule?

A

ln(a^b) = b * ln(a)

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4
Q

What is the Logarithm Change of Base Formula?

A

log_a(x) = ln(x) / ln(a)

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5
Q

What is the Inverse Property of e and ln (e raised to ln)?

A

e^(ln x) = x

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6
Q

What is the Inverse Property of ln and e (ln of e raised to)?

A

ln(e^x) = x

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7
Q

What is the value of ln(1)?

A

0

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8
Q

What is the value of ln(e)?

A

1

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9
Q

What is the Exponent Multiplication Rule (x^a * x^b)?

A

x^(a+b)

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10
Q

What is the Exponent Division Rule (x^a / x^b)?

A

x^(a-b)

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11
Q

What is the Power of a Power Rule ((x^a)^b)?

A

x^(ab)

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12
Q

What is the Negative Exponent Rule (x^-n)?

A

1 / (x^n)

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13
Q

What is the Fractional Exponent Rule (x^(p/q))?

A

q-th root of (x^p) OR (q-th root of x)^p

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14
Q

What is the algebraic definition of an Even Function?

A

f(-x) = f(x)

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15
Q

What is the algebraic definition of an Odd Function?

A

f(-x) = -f(x)

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16
Q

What is the geometric symmetry of an Even Function?

A

y-axis symmetry

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17
Q

What is the geometric symmetry of an Odd Function?

A

Origin symmetry

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18
Q

What is the Integral Property of an Even Function from -a to a?

A

2 * [Integral from 0 to a of f(x) dx]

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19
Q

What is the Integral Property of an Odd Function from -a to a?

A

0

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20
Q

What is the piecewise definition of the Absolute Value function |x|?

A

x if x >= 0; -x if x < 0

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21
Q

What is the slope-intercept form of a line?

A

y = mx + b

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22
Q

What is the point-slope form of a line (Leibniz-friendly)?

A

y - y1 = m(x - x1)

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23
Q

What is the formula for the slope (m) between two points?

A

m = (y2 - y1) / (x2 - x1)

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24
Q

What is the Quadratic Formula?

A

x = [-b ± sqrt(b^2 - 4ac)] / 2a

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25
What is the Binomial Expansion of (a + b)^2?
a^2 + 2ab + b^2
26
What is the Binomial Expansion of (a - b)^2?
a^2 - 2ab + b^2
27
What is the Difference of Squares factorization?
a^2 - b^2 = (a - b)(a + b)
28
What is the Sum of Cubes factorization?
a^3 + b^3 = (a + b)(a^2 - ab + b^2)
29
What is the Difference of Cubes factorization?
a^3 - b^3 = (a - b)(a + b + b^2)
30
What is the quotient identity for tan(x)?
sin(x) / cos(x)
31
What is the quotient identity for cot(x)?
cos(x) / sin(x)
32
What is the reciprocal identity for sec(x)?
1 / cos(x)
33
What is the reciprocal identity for csc(x)?
1 / sin(x)
34
What is the fundamental Pythagorean identity?
sin^2(x) + cos^2(x) = 1
35
What is the Pythagorean identity involving tan(x)?
1 + tan^2(x) = sec^2(x)
36
What is the Pythagorean identity involving cot(x)?
1 + cot^2(x) = csc^2(x)
37
What is the double angle formula for sin(2x)?
2sin(x)cos(x)
38
What is the primary form of the double angle formula for cos(2x)?
cos^2(x) - sin^2(x)
39
What is the double angle formula for cos(2x) in terms of cosine only?
2cos^2(x) - 1
40
What is the double angle formula for cos(2x) in terms of sine only?
1 - 2sin^2(x)
41
What is the power reduction formula for sin^2(x)?
(1 - cos(2x)) / 2
42
What is the power reduction formula for cos^2(x)?
(1 + cos(2x)) / 2
43
What is the odd/even symmetry property for sin(-x)?
-sin(x) (Odd function)
44
What is the odd/even symmetry property for cos(-x)?
cos(x) (Even function)
45
What is the odd/even symmetry property for tan(-x)?
-tan(x) (Odd function)
46
What are the (cos, sin) coordinates and tan value for 0 radians?
(cos, sin) coordinates: (1, 0). tan value: 0
47
What are the (cos, sin) coordinates and tan value for pi/6 radians?
(cos, sin) coordinates: (sqrt(3)/2, 1/2). tan value: 1/sqrt(3)
48
What are the (cos, sin) coordinates and tan value for pi/4 radians?
(cos, sin) coordinates: (sqrt(2)/2, sqrt(2)/2). tan value: 1
49
What are the (cos, sin) coordinates and tan value for pi/3 radians?
(cos, sin) coordinates: (1/2, sqrt(3)/2). tan value: sqrt(3)
50
What are the (cos, sin) coordinates and tan value for pi/2 radians?
(cos, sin) coordinates: (0, 1). tan value: undefined
51
What is the period of the sine and cosine functions?
2*pi
52
What is the period of the tangent and cotangent functions?
pi
53
What are the criteria for the existence of a limit lim_{x -> c} f(x)?
The left-hand limit must equal the right-hand limit: lim{x -> c^-} f(x) = lim{x -> c^+} f(x) = L.
54
What are the three criteria for a function f(x) to be continuous at a point x = c?
1. f(c) is defined. 2. lim{x -> c} f(x) exists. 3. lim{x -> c} f(x) = f(c).
55
What is the definition of a Vertical Asymptote at x = a?
A vertical asymptote exists at x = a if lim{x -> a^-} f(x) = ±infinity or lim{x -> a^+} f(x) = ±infinity.
56
What is the definition of a Horizontal Asymptote at y = L?
A horizontal asymptote exists at y = L if lim{x -> infinity} f(x) = L or lim{x -> -infinity} f(x) = L.
57
What are the two indeterminate forms required to apply L'Hôpital's Rule?
The limit must produce the indeterminate form 0/0 or ±infinity/±infinity.
58
State L'Hôpital's Rule in both Lagrange and Leibniz notation.
Lagrange: lim{x -> c} [f(x)/g(x)] = lim{x -> c} [f'(x)/g'(x)]. Leibniz: lim{x -> c} [f(x)/g(x)] = lim{x -> c} [(d/dx f(x))/(d/dx g(x))].
59
What is the value of the special trigonometric limit lim_{x -> 0} [sin(x)/x]?
1
60
What is the value of the special trigonometric limit lim_{x -> 0} [(1 - cos(x))/x]?
0
61
What is the limit definition of the constant 'e'?
lim{x -> infinity} (1 + 1/x)^x = e or lim{x -> 0} (1 + x)^(1/x) = e.
62
What is the value of the special limit lim_{n -> infinity} [nth-root of n]?
1
63
State the conditions and result of the Squeeze (Sandwich) Theorem.
Conditions: g(x) <= f(x) <= h(x) near c and lim{x -> c} g(x) = lim{x -> c} h(x) = L. Result: lim_{x -> c} f(x) = L.
64
State the conditions and result of the Intermediate Value Theorem (IVT).
Condition: f(x) is continuous on the closed interval [a, b]. Result: For any value k between f(a) and f(b), there exists at least one c in [a, b] such that f(c) = k.
65
What is the theorem regarding Differentiability and Continuity?
Theorem: If f is differentiable at x = c, then f is continuous at x = c. (Note: The converse is FALSE; continuity does not guarantee differentiability).
66
What are the three common types of discontinuities?
1. Removable (Hole). 2. Jump (Step). 3. Infinite (Vertical Asymptote).
67
How do you remove a 'Removable Discontinuity' at x = c?
Redefine f(c) such that f(c) = lim_{x -> c} f(x).
68
What is the limit definition of the derivative (h-form) in Lagrange and Leibniz notation?
Lagrange: f'(x) = lim (h->0) [f(x+h) - f(x)] / h | Leibniz: dy/dx = lim (delta x->0) delta y/delta x
69
What is the alternative limit definition of the derivative at a point 'a'?
f'(a) = lim (x->a) [f(x) - f(a)] / (x - a)
70
What is the Constant Rule for differentiation?
Lagrange: (c)' = 0 | Leibniz: d/dx(c) = 0
71
What is the Power Rule for differentiation?
Lagrange: (x^n)' = nx^(n-1) | Leibniz: d/dx(x^n) = nx^(n-1)
72
What is the Sum and Difference Rule for differentiation?
Lagrange: (u ± v)' = u' ± v' | Leibniz: d/dx(u ± v) = du/dx ± dv/dx
73
What is the Product Rule for differentiation?
Lagrange: (uv)' = u'v + uv' | Leibniz: d/dx(uv) = (du/dx)v + u(dv/dx)
74
What is the Quotient Rule for differentiation?
Lagrange: (u/v)' = (u'v - uv') / v^2 | Leibniz: d/dx(u/v) = [v(du/dx) - u(dv/dx)] / v^2
75
What is the Chain Rule for composite functions?
Lagrange: [f(g(x))]' = f'(g(x)) * g'(x) | Leibniz: dy/dx = (dy/du) * (du/dx)
76
What is the derivative of sin(u) using the Chain Rule?
Lagrange: [sin(u)]' = cos(u) * u' | Leibniz: d/dx(sin u) = cos(u) * du/dx
77
What is the derivative of cos(u) using the Chain Rule?
Lagrange: [cos(u)]' = -sin(u) * u' | Leibniz: d/dx(cos u) = -sin(u) * du/dx
78
What is the derivative of tan(u) using the Chain Rule?
Lagrange: [tan(u)]' = sec^2(u) * u' | Leibniz: d/dx(tan u) = sec^2(u) * du/dx
79
What is the derivative of cot(u) using the Chain Rule?
Lagrange: [cot(u)]' = -csc^2(u) * u' | Leibniz: d/dx(cot u) = -csc^2(u) * du/dx
80
What is the derivative of sec(u) using the Chain Rule?
Lagrange: [sec(u)]' = sec(u)tan(u) * u' | Leibniz: d/dx(sec u) = sec(u)tan(u) * du/dx
81
What is the derivative of csc(u) using the Chain Rule?
Lagrange: [csc(u)]' = -csc(u)cot(u) * u' | Leibniz: d/dx(csc u) = -csc(u)cot(u) * du/dx
82
What is the derivative of e^u using the Chain Rule?
Lagrange: [e^u]' = e^u * u' | Leibniz: d/dx(e^u) = e^u * du/dx
83
What is the derivative of a^u using the Chain Rule?
Lagrange: [a^u]' = a^u * ln(a) * u' | Leibniz: d/dx(a^u) = a^u * ln(a) * du/dx
84
What is the derivative of ln(u) using the Chain Rule?
Lagrange: [ln(u)]' = (1/u) * u' | Leibniz: d/dx(ln u) = (1/u) * du/dx
85
What is the derivative of log_a(u) using the Chain Rule?
Lagrange: [loga(u)]' = [1 / (u * ln a)] * u' | Leibniz: d/dx(loga u) = [1 / (u * ln a)] * du/dx
86
What is the derivative of the absolute value |u|?
Lagrange: [|u|]' = (u / |u|) * u' | Leibniz: d/dx(|u|) = (u / |u|) * du/dx (for u != 0)
87
What is the derivative of an inverse function g(x) = f^-1(x)?
Lagrange: g'(x) = 1 / f'(g(x)) | Leibniz: dy/dx = 1 / (dx/dy)
88
What is the derivative of arcsin(u) using the Chain Rule?
Lagrange: [sin^-1(u)]' = u' / sqrt(1 - u^2) | Leibniz: d/dx(sin^-1 u) = (du/dx) / sqrt(1 - u^2)
89
What is the derivative of arccos(u) using the Chain Rule?
Lagrange: [cos^-1(u)]' = -u' / sqrt(1 - u^2) | Leibniz: d/dx(cos^-1 u) = -(du/dx) / sqrt(1 - u^2)
90
What is the derivative of arctan(u) using the Chain Rule?
Lagrange: [tan^-1(u)]' = u' / (1 + u^2) | Leibniz: d/dx(tan^-1 u) = (du/dx) / (1 + u^2)
91
What is the derivative of arccot(u) using the Chain Rule?
Lagrange: [cot^-1(u)]' = -u' / (1 + u^2) | Leibniz: d/dx(cot^-1 u) = -(du/dx) / (1 + u^2)
92
What is the derivative of arcsec(u) using the Chain Rule?
Lagrange: [sec^-1(u)]' = u' / (|u| * sqrt(u^2 - 1)) | Leibniz: d/dx(sec^-1 u) = (du/dx) / (|u| * sqrt(u^2 - 1))
93
What is the derivative of arccsc(u) using the Chain Rule?
Lagrange: [csc^-1(u)]' = -u' / (|u| * sqrt(u^2 - 1)) | Leibniz: d/dx(csc^-1 u) = -(du/dx) / (|u| * sqrt(u^2 - 1))
94
How do you find the slope dy/dx of a parametric curve?
Leibniz: dy/dx = (dy/dt) / (dx/dt)
95
How do you find the second derivative d^2y/dx^2 of a parametric curve?
Leibniz: d^2y/dx^2 = [d/dt (dy/dx)] / (dx/dt)
96
What is the formula for the slope dy/dx of a polar curve r = f(theta)?
Leibniz: dy/dx = (r'sin theta + rcos theta) / (r'cos theta - rsin theta)
97
What are the exact conditions and statement of the Extreme Value Theorem (EVT)?
CONDITIONS: f is continuous on the closed interval [a, b]. STATEMENT: f attains both an absolute maximum and an absolute minimum value on [a, b].
98
What are the exact conditions and statement of the Mean Value Theorem (MVT) for Derivatives?
CONDITIONS: f is continuous on [a, b] and differentiable on (a, b). STATEMENT: There exists a c in (a, b) such that f'(c) = (f(b)-f(a))/(b-a).
99
What are the exact conditions and statement of the Mean Value Theorem (MVT) for Integrals?
CONDITIONS: f is continuous on [a, b]. STATEMENT: There exists a c in (a, b) such that f(c) = (1/(b-a)) * Integral[a to b] f(x) dx.
100
What are the exact conditions and statement of Rolle's Theorem?
CONDITIONS: f is continuous on [a, b], differentiable on (a, b), and f(a)=f(b). STATEMENT: There exists a c in (a, b) such that f'(c) = 0.
101
Integral Property: What is the value of an integral with identical limits: integral from a to a of f(x) dx?
0
102
Integral Property: What is the result of reversing the limits of integration: integral from a to b of f(x) dx?
- integral from b to a of f(x) dx
103
Integral Property: What is the Additive Property of Integrals for integral from a to b of f(x) dx using a point c?
integral from a to c of f(x) dx + integral from c to b of f(x) dx
104
FTC Part 1 (Evaluation): State the result of integral from a to b of f'(x) dx.
f(b) - f(a)
105
FTC Part 2 (Leibniz): State the derivative of the integral: d/dx [integral from a to g(x) of f(t) dt].
f(g(x)) * g'(x)
106
FTC Part 2 (Lagrange): If F(x) = integral from a to x of f(t) dt, what is F'(x)?
f(x)
107
Basic Integral: What is the Power Rule for integration: integral of u^n du (where n != -1)?
(u^(n+1))/(n+1) + C
108
Basic Integral: What is the integral of 1/u du?
ln|u| + C
109
Basic Integral: What is the integral of e^u du?
e^u + C
110
Basic Integral: What is the integral of a^u du?
(a^u)/(ln a) + C
111
Trig Integral: What is the integral of sin(u) du?
-cos(u) + C
112
Trig Integral: What is the integral of cos(u) du?
sin(u) + C
113
Trig Integral: What is the integral of sec^2(u) du?
tan(u) + C
114
Trig Integral: What is the integral of csc^2(u) du?
-cot(u) + C
115
Trig Integral: What is the integral of sec(u)tan(u) du?
sec(u) + C
116
Trig Integral: What is the integral of csc(u)cot(u) du?
-csc(u) + C
117
Trig Integral: What is the integral of tan(u) du?
-ln|cos u| + C (or ln|sec u| + C)
118
Trig Integral: What is the integral of cot(u) du?
ln|sin u| + C
119
Inverse Trig Integral: What is the integral of du / sqrt(a^2 - u^2)?
arcsin(u/a) + C
120
Inverse Trig Integral: What is the integral of du / (a^2 + u^2)?
(1/a) * arctan(u/a) + C
121
Inverse Trig Integral: What is the integral of du / (u * sqrt(u^2 - a^2))?
(1/a) * arcsec(|u|/a) + C
122
Integration Technique: What is the formula for Integration by Parts: integral of u dv?
uv - integral of v du
123
Integration Technique: What does the acronym LIATE stand for when choosing 'u' for Integration by Parts?
Logarithmic, Inverse Trig, Algebraic, Trig, Exponential
124
Integration Application: What is the formula for the Average Value of a function f(x) on the interval [a, b]?
(1 / (b - a)) * integral from a to b of f(x) dx
125
What is the relationship between Velocity v(t) and Position s(t)?
v(t) = s'(t) (The first derivative of position)
126
What is the relationship between Acceleration a(t) and Velocity v(t)?
a(t) = v'(t) = s''(t) (The derivative of velocity or second derivative of position)
127
What is the formula for Speed?
Speed = |v(t)| (The absolute value of velocity)
128
What is the formula for Displacement from time t1 to t2?
Displacement = integral from t1 to t2 of v(t) dt
129
What is the formula for Total Distance Traveled from time t1 to t2?
Total Distance = integral from t1 to t2 of |v(t)| dt
130
What is the formula for Area between curves with respect to x?
Area = integral from a to b of [Top(x) - Bottom(x)] dx
131
What is the formula for Area between curves with respect to y?
Area = integral from c to d of [Right(y) - Left(y)] dy
132
What is the formula for Volume using the Disk Method?
V = pi * integral from a to b of [R(x)]^2 dx
133
What is the formula for Volume using the Washer Method?
V = pi * integral from a to b of ([R(x)]^2 - [r(x)]^2) dx
134
What is the general formula for Volume by Cross Sections?
V = integral from a to b of A(x) dx
135
What is the Area A(x) for a Square cross section?
A(x) = [side(x)]^2
136
What is the Area A(x) for a Semicircle cross section?
A(x) = (pi / 8) * [diameter(x)]^2
137
What is the Area A(x) for an Equilateral Triangle cross section?
A(x) = (sqrt(3) / 4) * [side(x)]^2
138
What is the formula for Arc Length (Cartesian/Function form)?
L = integral from a to b of sqrt(1 + [f'(x)]^2) dx
139
What is the formula for Arc Length (Parametric form)?
L = integral from t1 to t2 of sqrt([x'(t)]^2 + [y'(t)]^2) dt
140
What is the formula for Arc Length (Polar form)?
L = integral from alpha to beta of sqrt(r^2 + [dr/dtheta]^2) dtheta
141
What is the formula for Area in Polar Coordinates?
A = (1/2) * integral from alpha to beta of [r(theta)]^2 dtheta
142
How do you determine if a particle is speeding up?
Velocity v(t) and Acceleration a(t) must have the SAME sign (both + or both -)
143
How do you determine if a particle is slowing down?
Velocity v(t) and Acceleration a(t) must have OPPOSITE signs
144
What is the definition of a Differential Equation (DE)?
An equation that involves an unknown function and one or more of its derivatives.
145
What is a 'General Solution' to a differential equation?
A solution that includes an arbitrary constant (C) representing a family of curves.
146
What is a 'Particular Solution' to a differential equation?
A specific solution where the constant (C) is determined using an initial condition (x0, y0).
147
What is the first step in the 'Separation of Variables' method for dy/dx = f(x)g(y)?
Rewrite the equation so all y-terms are on one side and all x-terms are on the other: (1/g(y)) dy = f(x) dx.
148
What is a Slope Field?
A graphical representation of the slopes (dy/dx) of a differential equation at various points (x, y).
149
What does a horizontal segment in a slope field indicate?
It indicates that the derivative dy/dx is equal to zero at that point.
150
What is the iterative formula for Euler's Method to find the next x-value (x_new)?
x_new = x_old + delta x
151
What is the iterative formula for Euler's Method to find the next y-value (y_new)?
y_new = y_old + (dy/dx)|(x_old, y_old) * delta x
152
What is the differential equation for Exponential Growth/Decay?
dy/dt = ky
153
What is the general solution to the exponential growth/decay equation dy/dt = ky?
y = Ce^(kt)
154
What is the Logistic Growth differential equation (Standard AP Form)?
dP/dt = kP(1 - P/M) where M is the carrying capacity.
155
What is the Logistic Growth differential equation (Alternative Form)?
dP/dt = kP(M - P) where M is the carrying capacity.
156
What is the general solution to the Logistic Growth equation dP/dt = kP(1 - P/M)?
P(t) = M / (1 + Ae^(-kt))
157
In a Logistic Growth model at what population value (P) is the growth rate at its maximum?
P = M/2 (Half of the carrying capacity).
158
In a Logistic Growth model what is the limit of P(t) as t approaches infinity?
M (The carrying capacity).
159
What is the second derivative (d^2y/dx^2) of a differential equation used for?
To determine the concavity of the solution curve at a specific point.
160
How do you verify if a given function is a solution to a differential equation?
Substitute the function and its derivatives into the differential equation and check if the equation holds true.
161
What is the general form of a Geometric Series?
Form: sum from n=0 to infinity of (a * r^n)
162
When does a Geometric Series converge?
Converges if |r| < 1.
163
What is the sum formula for a convergent Geometric Series?
S = a / (1 - r) where 'a' is the first term.
164
What is the Nth Term Test for Divergence?
If lim n->infinity of (a_n) is NOT equal to 0, then the series diverges.
165
What are the 3 conditions required to use the Integral Test?
The function f(x) must be continuous, positive, and decreasing for x >= 1.
166
What is the result of the Integral Test?
The integral from 1 to infinity of f(x) dx converges if and only if the series sum(a_n) converges.
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When does a P-Series (sum of 1/n^p) converge?
Converges if p > 1 (Diverges if p <= 1).
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What is the Direct Comparison Test?
Given 0 < an < bn: If the 'big' series (bn) converges, then (an) converges. If the 'small' series (an) diverges, then (bn) diverges.
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What is the Limit Comparison Test?
If lim n->infinity of (an / bn) = L (where L is finite and positive), then both series either both converge or both diverge.
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What are the 2 conditions for the Alternating Series Test (AST)?
1. lim n->infinity of bn = 0 AND 2. b(n+1) <= b_n (terms are decreasing).
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What is the Ratio Test formula and its conditions?
lim n->infinity of |a(n+1) / an| = L. Converges if L < 1; Diverges if L > 1; Fails if L = 1.
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What is the Root Test formula and its conditions?
lim n->infinity of nth-root(|a_n|) = L. Converges if L < 1; Diverges if L > 1.
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Define Absolute Convergence.
A series sum(an) converges absolutely if the series of absolute values sum(|an|) converges.
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Define Conditional Convergence.
A series sum(an) converges conditionally if sum(an) converges but sum(|a_n|) diverges.
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What is the formula for a Taylor Series centered at x = c?
f(x) = sum from n=0 to infinity of [ f^(n)(c) / n! * (x - c)^n ]
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What is the formula for a Maclaurin Series?
f(x) = sum from n=0 to infinity of [ f^(n)(0) / n! * x^n ] (This is a Taylor series centered at x = 0).
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What is the Maclaurin series expansion for e^x?
1 + x + (x^2 / 2!) + (x^3 / 3!) + ... (Interval: -infinity < x < infinity)
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What is the Maclaurin series expansion for sin(x)?
x - (x^3 / 3!) + (x^5 / 5!) - ... (Interval: -infinity < x < infinity)
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What is the Maclaurin series expansion for cos(x)?
1 - (x^2 / 2!) + (x^4 / 4!) - ... (Interval: -infinity < x < infinity)
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What is the Maclaurin series expansion for 1 / (1 - x)?
1 + x + x^2 + x^3 + ... (Interval: -1 < x < 1)
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What is the Alternating Series Error Bound?
|S - Sn| <= |a(n+1)| (The error is less than or equal to the absolute value of the first neglected term).
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What is the Lagrange Error Bound formula?
|R_n(x)| <= [ M / (n + 1)! ] * |x - c|^(n+1)
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In the Lagrange Error Bound, what does 'M' represent?
M is the maximum value of the (n+1)-th derivative of f on the interval between the center c and the point x.
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Define Radius of Convergence (R).
The distance from the center 'c' to the boundary of the interval where the series converges.
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Define Interval of Convergence.
The set of all real numbers x for which the power series converges (found using Ratio Test + checking endpoints).
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What is a Power Series?
A series of the form sum(cn * (x - c)^n) where cn are coefficients and c is the center.