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OpenStudy (anonymous):
Solve.
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OpenStudy (anonymous):
\[ \frac{3+7i}{(2-5i(1+3i)} \]
OpenStudy (anonymous):
*)
OpenStudy (anonymous):
After 5i there is supposed to be a )
OpenStudy (phi):
I see this is the same kind of problem that you have been doing for a week. Perhaps you can learn something from these videos (all very short) http://www.khanacademy.org/video/complex-numbers?topic=developmental-math-3 http://www.khanacademy.org/video/multiplying-complex-numbers?topic=developmental-math-3 http://www.khanacademy.org/video/dividing-complex-numbers?topic=developmental-math-3
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