Question

find the exact solution to the equation
64(1/4)^x/2=4 help?

Answer 1

64 (1/4)^(x/2)=4

Answer 2

(1/4)^(x/2)=(4/64)

Answer 3

use log...

Answer 4

log(1/4)^(x/2)=log(4/64)
(x/2)log(1/4)=log(4/64)
x/2=log(4/64)/log(1/4)=log(4/64-1/4)
x=2*log(4/64-1/4)
x=2*log((4-16)/64)
x=log(12/64)^2