- #1

NoahsArk

Gold Member

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- TL;DR Summary
- I don't get it.

Can someone please give as simple an example as possible to show what U substitution is about? I know basic integration rules but don't understand the point of u-substitution. I've read that it's used to "undo the chain rule", but I don't see how, and don't see how we can spot when we'd need to reverse the chain rule for integration as opposed to just following the normal rule for integration ( adding one to the exponent and dividing by the exponent plus 1). Thanks

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