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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No substitution required, use the fact that
Last edited by mr fantastic; October 27th 2010 at 10:16 PM. Reason: Inserted brackets.
Originally Posted by pickslides No substitution required, use the fact that What is this relationship called? I'm a little confused.
This is just a formula for the indefinite integral here is where it comes from let this gives
Last edited by TheEmptySet; October 28th 2010 at 09:20 AM.
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
Or (same thing). Or letting in the OP's integral (same thing again).
Originally Posted by Glitch Ahh, ok. Is there other similar formulas I should be aware of? There are quite a few. Here's some that are similar
Originally Posted by Glitch Also, I don't understand how the numerator is considered 'a' in my question when the denominator has '4', which is not It doesn't matter since we can write any number as . For example, .
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