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#