i can not understand how to integrate a power function like this one:

∫ (x² - 1) / (x³ - 3x + 1 ) ^ 6 dx

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- September 26th 2006, 12:16 PMmHadada question about Integration
i can not understand how to integrate a power function like this one:

∫ (x² - 1) / (x³ - 3x + 1 ) ^ 6 dx - September 26th 2006, 12:23 PMtopsquark
- September 26th 2006, 12:26 PMmHadad
why did u multiply by 1/3

(1/3)*Int(dy/y^6) - September 26th 2006, 12:51 PMtopsquark
- September 26th 2006, 01:08 PMmHadad
u multiplied by 1/3 to get rid of 3 ?in all of the solutions to these questions the author multiplied by a constant to get rid of a number, that what i can not understand why this multiplication is done and why we should get rid of the constant (3 for example)?

- September 26th 2006, 01:12 PMtopsquark