Expanding a Binomial with imaginary numbers
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Expanding a Binomial with imaginary numbers

[From: ] [author: ] [Date: 11-05-19] [Hit: ]
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(-2+2i)^8

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Note that (-2 + 2i)^2 = 4 - 8i + 4i^2 = -8i.

So, (-2 + 2i)^8
= (-8i)^4
= 8^4 * i^4
= 4096.

I hope this helps!
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