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jigglypuff314 (jigglypuff314):
Is (x^(1/2))^2 equal to the absolute value of x or just x?
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OpenStudy (agent0smith):
You're taking the square root first - so this is only valid if x is positive.
OpenStudy (agent0smith):
It'd have to be equal to |x|, just because you can't plug a negative into that.
jigglypuff314 (jigglypuff314):
okay, thank you! :)
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