brief calc
posted by kyle .
evaluate the integral using integration by parts
7xe^x

u = 7x
du = 7 dx
dv = e^x dx
v = e^x
∫u dv = uv  ∫v du
∫7xe^x dx = 7xe^x + 7∫e^x dx
I think you can take it from there, no?
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