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Don't you have any thought on this one?
Integration by parties?
No, u substitution. Let ...
but in denominator is
Just do what I said and you'll see why I did it.. Let ... Now what's du ?
Why?
Surely you see it. If we let , then and See?. The 2du replaces the in your integral. Then, we get
Originally Posted by Apprentice123 Why? You make the substitution --Chris
What kind of integral you used?
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