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If z = 3 + 4i - 8 + 2i, find z^2.

 Sep 7, 2021
 #1
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3 + 4i - 8 + 2i

= -5 +6i

 

(-5+6i)^2  =25 -60i + 36i^2

                 = 25 - 36 - 60i               you can finish

 Sep 7, 2021

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