Question #1e6f1

1 Answer
Jun 21, 2015

The solution is : x=e vv x=1/e

Explanation:

The logarythms have different bases, so first you have to change base using formula:

log_ax=log_ba/log_bx

In this case we get:

log_ex-1/log_ex=0

(log_ex)^2-1=0

(log_ex-1)(log_ex+1)=0

log_ex-1=0 vv log_ex+1=0

log_ex=1 vv log_ex=-1

x=e vv x=1/e