How do you solve logx2=(logx)2?

1 Answer
Dec 1, 2015

x=100

Explanation:

Rewrite as:

2logx=(logx)2

0=(logx)22logx

0=logx(logx2)

Set each portion equal to 0.

logx=0

x does not exist.

logx2=0

logx=2

log10x=2

10log10x=102

x=100