questio n

0

618

1

what is (2+5i) squared

Guest Feb 8, 2017

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1⁺⁰ Answers

+37170

+5

(2+5i)(2+5i)=

4 + 20i + 25 i^2 =

4 + 20i -25

= 20i - 21

ElectricPavlov Feb 8, 2017

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