Why is it that you have to put an absolute value sign for the answer of: √((x-5)^2) But not for: √ ((x-5)^4)
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Originally Posted by Carpenter1119 Why is it that you have to put an absolute value sign for the answer of: √((x-5)^2) But not for: √ ((x-5)^4) because $\displaystyle \sqrt{(x-5)^4} = (x-5)^2 > 0$ for all x w/o using absolute value
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