Math T4 Grade 10 Australia > Log Laws > Flashcards
log(a)x + log (a)yLog law 1
log(a)x + log(a)y = log a(xy)
log(a)x - log(a)yIndex law 2
log(a)x - log(a)y = log a(x/y)
log(a)x^n Index law 3
n log(a)x
Log 21^21
1
log(a)1
0
what is log (a)1/x
log(a)x-1
N =a(x)
x = log(a)N
log(2)^64
64 = 2^x