Complex numbers

by Anood
Tags: complex, numbers
Anood is offline
Apr15-07, 08:36 AM
P: 14
How can i find The imaginary part of (1-2i)^2-i.

This is what i have done so far:
(1-2i)^2 (1-2i)^-i

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neutrino is offline
Apr15-07, 09:17 AM
P: 2,048
Use the polar form of 1-2i.

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