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Old 27th May 2012, 08:13 PM   #1 (permalink)
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Integration question

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How do I do part (b). I've been stuck at it for hours, even after looking at all the different types of integration formulas...

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Old 19th September 2012, 04:31 PM   #2 (permalink)
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Re: Integration question

i am studying in bsc and i have a problem in the integration questions. please help me about this
and send handbook name so that i solve my problem.

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Old 20th September 2012, 01:37 AM   #3 (permalink)
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Re: Integration question

What level is this? Seems impossible without a substitution, but for A levels the relevant substitution is usually provided if integration by substitution is required.

Using x=3/4 sec(u) allows the numerator to be simplified into 3 tan(u). You should be able to go from here. I got a pretty ugly solution though, pretty sure it can be simplified further.

Edit: Managed to simplify it and got sqrt (16x^2 -9) - 3 cosinv(3/(4x)) + c as my solution. Hope it's right...


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Old 21st September 2012, 04:04 PM   #4 (permalink)
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Re: Integration question

Hi, i believe you posted this question before, here is the solution we gathered in the post you posted last time:

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