- #1

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## Homework Statement

∫((z^3)(e^z ))dz

## Homework Equations

I just tried u dv - ∫v du

## The Attempt at a Solution

u = z^3 dv = e^z

du = 3z^2 v = e^z

= z^3e^z - ∫(3e^z (z^2)) dz

I got this far but after that if I try integration by parts again, it gets too confusing.