Find all complex numbers z such that z^4 = -4
Note: All solutions should be expressed in the form , where and are real numbers.
+48 "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! =^-^=
+37146 This has been asked many times......you can search to find the explanation
+- 1 +- i (four solutions )
