If z = 3 + 4i and w = 1 - 2i, calculate:

(z - w)²

Please show any working out. Thanks.

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- Dec 27th 2008, 11:23 AMJoker37Multiplication of complex numbers
If z = 3 + 4i and w = 1 - 2i, calculate:

(z - w)²

Please show any working out. Thanks. - Dec 27th 2008, 11:33 AMskeeter
- Dec 27th 2008, 11:44 AMSoroban
Hello, Joker37!

This is straight-forward algebra.

Exactly where is your difficulty?

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