Algebra Flashcards
1
Q
a^n x a^m =
A
a^n+m
2
Q
a^n / a^m=
A
a^n-m
3
Q
(a^n)^m=
A
a^nm
4
Q
a^-n=
A
1/a^n
5
Q
a^0=
A
1
6
Q
log a n = x in exo form
A
a^x = n
7
Q
lnxy=
A
lnx + ln y
8
Q
ln(x/y)
A
ln x - ln y
9
Q
ln x^k
A
k ln x
10
Q
ln (1/x)
A
-ln x
11
Q
ln e
A
1
12
Q
ln 1
A
0
13
Q
if f(a) = 0 then the factor is
A
(x-a) and vice versa
14
Q
timsing or dividing by negative in ineuquaties
A
flips < to >
15
Q
partial fractins (..)/(x+a)^2(x+b) =
A
A/(x+a) + B/(x+a)^2 + C/(x+b)