Solving Integral Problem: \int\frac{x*e^x}{(x+1)^2}dx

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SUMMARY

The integral problem presented is \(\int\frac{x*e^x}{(x+1)^2}dx\). The user applied the substitution \(u = (x+1)\), leading to the transformed integral \(\int\frac{(u-1)*e^{u-1}}{u^2}du\). This was further simplified into two separate integrals: \(\int\frac{e^{u-1}}{u}du - \int\frac{e^{u-1}}{u^2}du\). The user initially struggled with integration by parts but ultimately realized that the second integral resolves the issue without needing to solve the first integral directly.

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The problem is given as
[tex]\int\frac{x*e^x}{(x+1)^2}dx[/tex]

I did u substitution with u=(x+1) and du=dx

which gives me [tex]\int\frac{(u-1)*e^{u-1}}{u^2}[/tex]

simplifies to [tex]\int\frac{u*e^{u-1}-e^{u-1}}{u^2}[/tex]

Then I separated it into two integrals

[tex]\int\frac{e^{u-1}}{u}-\int\frac{e^{u-1}}{u^2}[/tex]


Now I'm stuck. I tried doing these separate integrals by parts, but it doesn't seem to be working for me. Am I going in the complete wrong direction with this? Any help would be appreciated.
 
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Everything looks good to me so far, what do you get when you integrate the second term by parts once?
 
Oh wow. I got caught up on the fact that I couldn't do the first term and didn't realize that I don't have to! The integral of the second term takes care of that for me. Thank you.
 

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