4√16 = 4√24 = 2
5√-32 = 5√(25*(-1)) = 5√25* 5√(-1)5 = -2
Note that (-1)5 = (-1)*(-1)*(-1)*(-1)*(-1) = -1. Hence (-1)5 = -1
Natalie G.
asked • 04/08/15Evaluate radicals
Evaluate:
4√16
Evaluate:
5√-32
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