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- Oct 10th 2010, 04:12 AMLilSimplify expression...
- Oct 10th 2010, 04:13 AMProve It
Try either expanding by brute force, or using the sum of two cubes rule.

- Oct 10th 2010, 04:34 AMLil
(Thinking)

- Oct 10th 2010, 04:59 AMlinalg123