How do you solve $lnx^2=9$ ?

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Answer 1 · 2018-05-24T02:51:14

$e^ {frac{9}{2}}$

Take e to the power of both sides:
$e^ln(x^2) = e^9$
$x^2 = e^9$
$x = \pm \sqrt{e^9} \approx \pm 90.0171313$

How do you solve lnx^2=9lnx^2=9?