Math, asked by uniquescholar, 6 months ago

Simply and express in a+ib.
(2i^3)^2

Answers

Answered by PharohX

3

Step-by-step explanation:

so

a+ib = (2i^3)^2

= 2^2(i^6)

= 4(i^4)(i^2) as i^4 =1

= 4 (i)^2 i^2=-1

a+ib = -4 +0i

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