- #1
frasifrasi
- 276
- 0
For the integral from 0 to infinity of
xe^(-5x)dx...
I am getting as far as:
-1/5*x*e^(-5x) + 1/5*int of (e^(-5x)dx)
But I am getting stuck at this point. We are supposed to come out with 1/25 for the answer but how would I evaluate the "-1/5*x*e^(-5x)" since that is already out of the integral?
Thank you in advance.
xe^(-5x)dx...
I am getting as far as:
-1/5*x*e^(-5x) + 1/5*int of (e^(-5x)dx)
But I am getting stuck at this point. We are supposed to come out with 1/25 for the answer but how would I evaluate the "-1/5*x*e^(-5x)" since that is already out of the integral?
Thank you in advance.