The question:

I'm fairly sure I have to use some sort of substitution for this question. But I can't seem to get it to work. >_<

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- Oct 27th 2010, 08:00 PMGlitchIndefinite Integration
**The question:**

I'm fairly sure I have to use some sort of substitution for this question. But I can't seem to get it to work. >_< - Oct 27th 2010, 08:07 PMpickslides
No substitution required, use the fact that

- Oct 27th 2010, 09:45 PMGlitch
- Oct 27th 2010, 09:51 PMTheEmptySet
This is just a formula for the indefinite integral

here is where it comes from

let this gives

- Oct 27th 2010, 09:58 PMGlitch
Ahh, ok. Is there other similar formulas I should be aware of?

Also, I don't understand how the numerator is considered 'a' in my question when the denominator has '4', which is not - Oct 28th 2010, 01:52 AMTheCoffeeMachine
Or (same thing).

Or letting in the OP's integral (same thing again). - Oct 28th 2010, 01:08 PMpickslides
- Oct 28th 2010, 04:21 PMTheCoffeeMachine