I have trouble with both problems: 1. 2.
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Dear littlesohi, 1) 2) Hope this helps.
Last edited by Sudharaka; Jan 21st 2010 at 05:45 PM.
for the one what is the u? dv?
Dear littlesohi, I didn't use integration by parts in the first problem. But you could use the integration by parts method as well. I think you could do it from here.
Originally Posted by littlesohi for the one what is the u? dv? Giving the result: This is what Sudharaka got as well, but I think this is the way you are more used to seeing it done. You would need to use a substitution to finish the calculation.
Integration by parts is derived from the Product Rule. (not the Chain Rule as i originally wrote for unknown reasons!!) or
Last edited by Archie Meade; Jan 22nd 2010 at 03:21 AM. Reason: massive typo!!!
Originally Posted by Archie Meade Integration by parts is derived from the Chain Rule. It's a pity but that is the product rule. CB
Yes! it certainly is, Captain! That's my greatest typo yet!!
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