Question 205896: evaluate (-16)^1/4
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! evaluate (-16)^1/4
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-16 = 16(cis(180)
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(-16)^(1/4) = (16)^(1/4)(cis[(180+360k)/4] for k = 0,1,2,3
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Ans: 4cis(45), 4cis(135),4cis(225),4cis(315)
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Cheers,
Stan H.
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