Log Laws Flashcards
remember all of the log laws
1
Q
log(a)x + log (a)y
Log law 1
A
log(a)x + log(a)y = log a(xy)
2
Q
log(a)x - log(a)y
Index law 2
A
log(a)x - log(a)y = log a(x/y)
3
Q
log(a)x^n
Index law 3
A
n log(a)x
4
Q
Log 21^21
A
1
5
Q
log(a)1
A
0
6
Q
what is log (a)1/x
A
log(a)x-1
7
Q
N =a(x)
A
x = log(a)N
8
Q
log(2)^64
A
64 = 2^x