Asked by Sinachi
Express (1+i)^20 in the form a+ib
Answers
Answered by
oobleck
(1+i) = √2 cis π/4
so (1+i)^20 = 2^10 cis 5π = -1024
so (1+i)^20 = 2^10 cis 5π = -1024
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