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Math Help - Integration by parts with e

  1. #1
    Junior Member Shadow236's Avatar
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    Integration by parts with e

    Hello,
    I was just in the middle of trying to solve this Integral when I got very confused.

    This is the integral that I am trying to solve:

    I will post the steps and then note when I get confused.

    Step 2 (Integrate by Parts):

    Step 3 (Integrate by Parts again):

    Step 4 (Where I get lost):

    I have no problem with integrating by parts, but I start to get lost when the integral left over on the right of the = sign is equal to the integral on the left of the = sign. How does the 5 come into play? What is that process that this problem goes through?

    Your help is hugely appreciated!
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  2. #2
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    Re: Integration by parts with e

    Quote Originally Posted by Shadow236 View Post
    Hello,
    I have no problem with integrating by parts, but I start to get lost when the integral left over on the right of the = sign is equal to the integral on the left of the = sign. How does the 5 come into play? What is that process that this problem goes through?

    If y=x-4y then 5y=x.
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  3. #3
    Junior Member Shadow236's Avatar
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    Re: Integration by parts with e

    NO WAY.... =0
    I guess I got lost in the complexity. Thank you!
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