SOLUTION: Evaluate if possible ^3/-64 [cube root of -64] and ^3/64 [cube root of 64] and /-64 [square root (-64)] and /64 [square root (64)]

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Question 204299: Evaluate if possible ^3/-64 [cube root of -64] and ^3/64 [cube root of 64] and /-64 [square root (-64)] and /64 [square root (64)]
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
cube root of (-64) = -4,,,,,(-4)^3 = -64
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cube root of (64) = 4,,,,,,,(4)^3 =64
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sqrt (-64) = sqrt(64)*sqrt(-1) = 8i,,,,,,,(8i)^2 = 64i^2 =-64
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remember sqrt(-1) =i,,,,,,i^2 =-1
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sqrt(64) =8,,,,,,,,,,,,,,,,,,,,,,,,,,,,8^2 =64
.