Integration by parts
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Determine the indefinite integral: z = (Integral Sign or "Long S")20xe^-4x dx. I got z = 5xe^-4x + 5/4 e^-4x + C - Does that seem right?
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You 99.99% got it.
There is an sign error.
the final answer ...
Solution Summary
The solution utilizes "integration by parts" technique to obtain the primitive function.
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