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26-08-2020
Mathematics

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Express (1+i)²-3(2-i)³ in the from of a+ib

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26-08-2020

[tex](1+i)^2-3(2-i)^3=1+2i-1-3(8-12i-6+i)=2i-6+33i=\boxed{-6+35i}[/tex].

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