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OpenStudy (tiffany_rhodes):
Why does U-substitution for integration work?
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OpenStudy (anonymous):
Why not?
OpenStudy (anonymous):
are you looking for an explanation in simple terms, or a formal answer for a homework assignment?
OpenStudy (tiffany_rhodes):
An explanation in simple terms please.
OpenStudy (anonymous):
Alright, just a moment.
OpenStudy (anonymous):
If we take a problem such as \[\int\limits_{1}^{3} \frac{ 2x }{ x^{2}+1 }dx\] it would be time consuming to solve properly, yes?
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OpenStudy (tiffany_rhodes):
yes, definitely.
OpenStudy (aravindg):
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