The question: Verify (-1 + i)^7 = -8(1 + i) both directly and using the polar form. I know how to verify this via polar form, but I'm not sure what they mean by verifying it "directly". Does this mean via binomial expansion? Thanks!
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Originally Posted by Glitch I know how to verify this via polar form, but I'm not sure what they mean by verifying it "directly". By directly, I think they mean by expanding the LHS. Does this mean via binomial expansion? Your guess is as good as mine.
Ok, thanks.
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