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Mathematics 17 Online
OpenStudy (anonymous):

just would like someone to check my work on this integration! ty!

OpenStudy (anonymous):

\[\int\limits_{}^{}x ^{2}e ^{x}\]

OpenStudy (ipwnbunnies):

Integration by parts, turn up.

OpenStudy (anonymous):

i ended up with \[x ^{2}2^{x}-2xe ^{x}+2e\]

OpenStudy (anonymous):

a trick someone taught me (just wanna make sure it works)

OpenStudy (ipwnbunnies):

That looks pretty wrong to me...

OpenStudy (anonymous):

uh oh :( maybe i did it wrong!

OpenStudy (ipwnbunnies):

We do have to use integration by parts. Are you familiar?

OpenStudy (ipwnbunnies):

Ok, try again however you're doing it lol.

OpenStudy (anonymous):

I am familiar, just not the greatest i suppose!

OpenStudy (anonymous):

wait that first part i messed up and put a 2

OpenStudy (anonymous):

its x^2e^x

OpenStudy (anonymous):

aye... let me retype it. i must have typed my answer wrong in the equation haha

OpenStudy (ipwnbunnies):

Ok.

OpenStudy (anonymous):

\[x ^{2}e ^{x}-2xe ^{x}+2e ^{x}\]

OpenStudy (anonymous):

sorry, got sidetracked by a little emergency

OpenStudy (ipwnbunnies):

I got sidetracked by work and yes that is correct.

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