Find all complex numbers z such that z4=−4.
z−√−2i,z=−√2i,z=√−2i, and z=√2i. since we quad root to get ±√±2i
This question has been asked multiple times...you could look for it as well Guest.
Actually the previously posted anserers found
z = 1 +i 1 - i -1 +i and -1 - i