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I need help with this question. If you could explain and give the anwser it would help so much! :)

 

Find all complex numbers z such that z^4 = -4

 

Note: All solutions should be expressed in the form a + bi, where a and b are real numbers.

 

Thanks again! :)
 

 May 6, 2020
 #1
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The solutions are 2, -2, 2i, and -2i.

 May 7, 2020

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