a^n x a^m =
a^n+m
a^n / a^m=
a^n-m
(a^n)^m=
a^nm
a^-n=
1/a^n
a^0=
1
log a n = x in exo form
a^x = n
lnxy=
lnx + ln y
ln(x/y)
ln x - ln y
ln x^k
k ln x
ln (1/x)
-ln x
ln e
1
ln 1
0
if f(a) = 0 then the factor is
(x-a) and vice versa
timsing or dividing by negative in ineuquaties
flips < to >
partial fractins (..)/(x+a)^2(x+b) =
A/(x+a) + B/(x+a)^2 + C/(x+b)
a^(1/n)=
nth root of a