Question

1. z^2 = 1
√{ } = √{ }

z = ± { }

The solutions are { } and { }

Answer 1

Answer:

The answers are 1 and -1

Step-by-step explanation:

Equation

               z² = 1

             √z = √1

               z = ± 1

         z₁ = 1            z₂ = -1