I am just wondering how my Calculus tutor got from this step to the other. Please see RED:) :)

Thanks,

-qbkr21

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- May 8th 2007, 06:50 PMqbkr21Summation
I am just wondering how my Calculus tutor got from this step to the other. Please see RED:) :)

Thanks,

-qbkr21 - May 8th 2007, 07:10 PMqbkr21Re:
I know what the cases are but I am just wondering how we jumped from i^3 to i^2 did something divide out?

- May 8th 2007, 07:11 PMtopsquark
The i^3 is a typo. It should have been i^2 as it is in the second red line.

-Dan - May 8th 2007, 07:12 PMqbkr21Re:
When we pulled out

(8/n^3) from SUM does "i" go down a power? - May 8th 2007, 07:13 PMtopsquark
- May 8th 2007, 07:13 PMqbkr21Re;
Dan You Are The Freak'in Man Thanks So Much! :) :) :)

- May 9th 2007, 12:24 PMqbkr21RE: One last thing
I was just wanting to know where this extra "n" came from. See

**Purple**. Thanks!