Is there anything you can do to a^2 + b^2 i.e can you factorise it somehow or is it only a^2 - b^2 you can factorise?

Thanks!

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- Feb 6th 2006, 03:17 AM #1

- Feb 6th 2006, 03:48 AM #2

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- Feb 6th 2006, 04:26 AM #4