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.

So i know that z^4 = -4. I also know that z is a complex number. I dont really know what to do now! Can someone help a little pls!

AltShaka Apr 22, 2020

#1**+1 **

DO a search for this Q and answer.....it has been posted multiple times in recent months....

ElectricPavlov Apr 22, 2020

#2

#3**0 **

I can't finsd it either....as I recall it was +-1 +- i (four solutions)

ElectricPavlov
Apr 22, 2020