Is root a square plus minus a
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Is root a square plus minus a
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Answer:
yes
Step-by-step explanation:
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Verified answer
Square of any real number is always positive.For example : [tex]\boxed{ {(3)}^{2} = {( - 3)}^{2} = 9}[/tex]
But the square - root of any number may be positive or negative.
For example : [tex]\boxed{ \sqrt{9} = \pm 3}[/tex]