Hello, I'm having difficulties with this indefinite integral: (t^2)(e^4t) dt. Do I use a u/v substitution for this? Thanks, ~CC
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Originally Posted by calvin_coolidge Hello, I'm having difficulties with this indefinite integral: (t^2)(e^4t) dt. Do I use a u/v substitution for this? Thanks, ~CC First do integration by parts: After this do ANOTHER integration by parts...and then you're left with an easy exponential integral. Tonio
Originally Posted by calvin_coolidge Hello, I'm having difficulties with this indefinite integral: (t^2)(e^4t) dt. Do I use a u/v substitution for this? Thanks, ~CC let v=t^2 and du = e^4t dv=2t and u=e^4t/4 use derive by part again for the integral let v=t and du=e^4t dv=1 and u=e^4t/4
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