Question

z cube+2 Z bar =0 has five solutions what is the answer​

Answer 1

Answer:

Given that z3 + 2z bar = 0  z3 = -2z bar ……. (1)  Taking modulus on both sides z has four non-zero solution.  Hence including zero solution. There are five solutions.Read more on Sarthaks.com - https://www.sarthaks.com/866748/show-that-the-equation-z-3-2z-bar-0-has-five-solutions