Do do you this one please

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- Jul 1st 2007, 12:35 PMcamherokidIntergration by substitution
Do do you this one please

- Jul 1st 2007, 12:41 PMred_dog

- Jul 1st 2007, 12:43 PMJhevon
- Jul 1st 2007, 12:44 PMred_dog
is an odd function and is a symetric interval, so the integral is .

- Jul 1st 2007, 12:52 PMJhevon
I will do the indefinite integral for the second, i leave plugging in the limits to you

We proceed by substitution for the first integral:

Let

- Jul 1st 2007, 12:54 PMJhevon
- Jul 1st 2007, 03:13 PMgalactus
Another possible solution, similar to Jhevon's is:

Now, let

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Let

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So, we have

- Jul 2nd 2007, 05:28 AMcurvature