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I am having problems with a couple of integration by parts questions

I have answered but my answer does not agree with the provided answer (which is answer only, no working)

 

Maybe someone can give me their worked answer so I can compare?

 

\(\int x\sqrt{4-x}\;dx\)

 Oct 5, 2021
 #1
avatar+32635 
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Note: there are many different ways to write the result.  Are you sure what you did is incorrect, or is it just expressed differently from the answer supplied?

 Oct 5, 2021
 #2
avatar+107 
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Thanks again Alan,

 

Again, I did not do the initial integration properly.  

I must have been off with the pixies yesterday.

I'll try some more today.

Hopefully, the pixies will be covering from yesterday's party.

 

Thanks so much.  

 Oct 6, 2021

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