Question

Is root a square plus minus a

Answer 1

Answer:

yes

Step-by-step explanation:

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Answer 2

Square of any real number is always positive.

For example : $\boxed{ {(3)}^{2} = {( - 3)}^{2} = 9}$

But the square - root of any number may be positive or negative.

For example : $\boxed{ \sqrt{9} = \pm 3}$