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 Post subject: Integral Problem:Posted: Mon, 16 Jan 2012 21:25:46 UTC
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Joined: Mon, 16 Jan 2012 21:23:50 UTC
Posts: 3
I'm stuck on this particular problem:

Let f(x) = the integral of ln(2+sint)dt from a to x.

If f(3) = 4, f(5) = ?

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 Post subject: Re: Integral Problem:Posted: Mon, 16 Jan 2012 21:52:13 UTC
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Joined: Wed, 30 Mar 2005 04:25:14 UTC
Posts: 12102
Location: Austin, TX
spane wrote:
I'm stuck on this particular problem:

Let f(x) = the integral of ln(2+sint)dt from a to x.

If f(3) = 4, f(5) = ?

Admittedly, I don't immediately see how you're expected to do that one, even the integrator doesn't like it.

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 Post subject: Re: Integral Problem:Posted: Mon, 16 Jan 2012 21:54:51 UTC
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Joined: Mon, 16 Jan 2012 21:23:50 UTC
Posts: 3
Ah great, thanks! I thought it might be something like that, but I wasn't sure.

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 Post subject: Re: Integral Problem:Posted: Mon, 16 Jan 2012 22:58:52 UTC
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Joined: Wed, 30 Mar 2005 04:25:14 UTC
Posts: 12102
Location: Austin, TX
spane wrote:
Ah great, thanks! I thought it might be something like that, but I wasn't sure.

As a general rule, you should say kind of what form your answer is supposed to take in these situations, otherwise context seems to indicate something potentially different. Cheers.

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