Thursday, April 3, 2014

Simplify: (4+4i)/(2-9i)

Multiplying my complex conjugates and simplifying the denominator we get:

%28%284%2B4i%29%282%2B9i%29%29%2F%284%2B81%29

then we get...
%288-36%2B8i%2B36i%29%2F85=-28%2F85%2B%2844%2F85%29%2Ai
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