# How do you solve Ln x^2=4?

Aug 4, 2015

I found: $x = {e}^{2} = 7.389$

#### Explanation:

You can use a property of the logs and write:
$\ln {x}^{2} = 2 \ln x$
so that you have:
$2 \ln x = 4$
$\ln x = \frac{4}{2} = 2$
so that $x = {e}^{2}$