Show that where and are positive numbers, and
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Try using to write where Im means "imaginary part of".
I really don't know much about imaginary numbers, so I don't know where to go from there. Is there possibly any other way to solve this problem?
Complex numbers are very useful. They also have some interesting properties. One is, if: then Check your text for a review on complex numbers.
ok i guess i'll try to learn about them and then i'll get back to you
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