RE: Test Your Math Skills and Win SBD # 2

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Test Your Math Skills and Win SBD # 2

in contest •  7 years ago  (edited)

You are correct we can cancel square with square root, but it can be only apply when x is positive integer, in the case with x is negative it cannot be applied.

In short sqrt(x^2) = |x|

contest
7 years ago by

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