ELEMENT MATHS

Question 1

calcul d’une pente

Answer 1

delta f / delta x = f(b) - f(a) / b-a

Question 2

taux d’accroisssement

Answer 2

taux = f(x+dx) - f(x) / dx

Question 3

developpements limoités usuels

Answer 3

sin x = tan x = x

cos x = 1 - x^2 / 2

Question 4

integral

Answer 4

I = intergal f(x) dx = primitive de b a a = F(b) - F(a)

Question 5

primitive fonction usuelles

Answer 5

K constante : Kx +C

1/ racine x : 2racine x + C

Question 6

ay’ + by = 0

Answer 6

y(x) = yo exp (-bx/a)

Question 7

ay‘ + by = c

Answer 7

y(x) = (yo - c/b) exp (-bx/a) + c/b