What is the square root of (15)^2?

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Answer 1 · 2018-05-02T10:17:52

$15$
See below.

$sqrt (15^2)$

$rArr 15^(2/2)$

**Law of indices : $root(n)(a^m)=a^(m/n)$ **

Answer 2 · 2018-05-02T10:19:17

The answer $sqrt(15^2)=|15|=+-15$

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$sqrt(x^2)=|x|=+-x$

$sqrt(15^2)=|15|=+-15$