How do you evaluate log_sqrt8 4096?

1 Answer
Nov 17, 2016

log_(sqrt8)4096=8

Explanation:

Let log_(sqrt8)4096=x

Using definition of logarithm that log_ab=m means a^m=b

(sqrt8)^x=4096

expressing them in powers of x

or (sqrt2^3)^x=2^12

or ((2^(1/2))^3)^x=2^12

or 2^((3x)/2)=2^12

or (3x)/2=12

i.e. x=12xx2/3=8

Hence log_(sqrt8)4096=8