ok bit of a silly question but i really dont understand how to rearange to get
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Originally Posted by renlok ok bit of a silly question but i really dont understand how to rearange to get . It's of the form
but would you not have to square the aswell?
Originally Posted by renlok but would you not have to square the aswell? No, you can treat this sum as As then it becomes As we can combine the square roots in the denominator:
Last edited by e^(i*pi); October 30th 2009 at 06:45 AM. Reason: adding a step to make it clearer
Nice and quick, but little motivation:
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