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September 22, 2025, 11:41:32 am
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Author Topic: Integration  (Read 866 times)  Share 

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kj_

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Integration
« on: September 25, 2008, 12:09:31 am »
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This -might- be over the level of specialist, I'm not too sure, but if anyone would like to have a go at:



puzzling me out :o
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Collin Li

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Re: Integration
« Reply #1 on: September 25, 2008, 12:11:35 am »
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It's not on the Specialist course (AFAIK, non-linear substitutions are not allowed unless they are simple trigonometric substitutions - or they tell you the substitution), but using the substitution should work out nicely.
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shinny

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Re: Integration
« Reply #2 on: September 25, 2008, 12:13:56 am »
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As coblin said, let u=x^3, du/dx=3x^2, and after just two steps or so, you'll end up with

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kj_

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Re: Integration
« Reply #3 on: September 25, 2008, 12:14:39 am »
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ah, works out very cleanly - thanks!

and wow, quick reply coblin :)
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