Root of a Square

Algebra Level 2

True or False?

For every real number $x$ , $\large\sqrt{x^2}=x$

False True

by Shreyansh Mukhopadhyay , 18, India

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1 solution

X X
May 12, 2018

Only true for non-negative numbers,because $\sqrt{x^2}=|x|$

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