SOLUTION: (-16)^1/4 for my answer I got ^4 sqrt 16 = 3

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Question 328480: (-16)^1/4
for my answer I got
^4 sqrt 16 = 3
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(-16)^1/4
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16+=+2%5E4 there's no 3 involved.
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-16 = 16cis(180)
(-16)^1/4 = 2cis(45 + n*360)
= 2cis(45), 2cis(135), 2cis(225), 2cis(315)
= sqrt(2) + i*sqrt(2)
= -sqrt(2) + i*sqrt(2)
= -sqrt(2) - i*sqrt(2)
= sqrt(2) - i*sqrt(2)
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