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PLEASE HELP ASAP!!! z² = 1 √__ = √__ z = ± __ The solutions are ___ and ___.​

PLEASE HELP ASAP!!! z² = 1 √__ = √__ z = ± __ The solutions are ___ and ___.​
asked 85.7k views
3 votes
PLEASE HELP ASAP!!!

z² = 1

√__ = √__

z = ± __

The solutions are ___ and ___.​

asked
User Mister Martin
by
8.4k points

1 Answer

3 votes

Answer:


z^2=1\\\text{Adding square roots on both sides,}\\√(z^2)=\sqrt1\\\text{or,\ }z=\pm 1\\


\text{The solutions are 1 and -1.}

answered
User Joepferguson
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