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Mathematics 10 Online
OpenStudy (anonymous):

Which of the following is a fifth root of the given complex number?

OpenStudy (anonymous):

very confused

OpenStudy (anonymous):

@jim_thompson5910 @triciaal @sleepyjess

jimthompson5910 (jim_thompson5910):

Since you're given a list of options, you can raise each choice to the 5th power (using De Moivre's Theorem) and see which results in the original given expression at the very top.

jimthompson5910 (jim_thompson5910):

Clearly D is NOT the answer because the 32 raised to the 5th power will be some number larger than 32.

OpenStudy (triciaal):

i don't know my guess is A or C

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