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Integration to solve

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Old   April 24, 2020, 09:28
Default Integration to solve
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siw
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I have made a mistake in an integration by parts I was doing. We engineers like a little problem to solve. Would appreciate the correct answer as I'm not spotting my mistake.

v = \int A e^{(-\lambda t)} \sin(\frac{\pi}{D} t) dt

evalute constant of integration, C, at t = 0 where v = 0. I'll recheck to see where my error is. Thanks.
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Old   April 24, 2020, 11:40
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siw
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Solved this in the end.

Last edited by siw; April 24, 2020 at 13:52.
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