1. z^2 = 1
√{ } = √{ }
z = ± { }
The solutions are { } and { }
1 answer:
Answer:
The answers are 1 and -1
Step-by-step explanation:
Equation
z² = 1
√z = √1
z = ± 1
z₁ = 1 z₂ = -1
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