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

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

 Jun 18, 2021
 #1
avatar+48 
+1

"Note: All solutions should be expressed in the form , where  and  are real numbers."

 

Could you perhaps fill in the blanks for me? Thank you! =^-^=

 Jun 18, 2021
 #2
avatar+33360 
+2

This has been asked many times......you can search to find the explanation   

+- 1 +- i        (four solutions )

 Jun 18, 2021

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