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?© BrainMass Inc. brainmass.com December 24, 2021, 5:00 pm ad1c9bdddf
You 99.99% got it.
There is an sign error.
the final answer ...
The solution utilizes "integration by parts" technique to obtain the primitive function.