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Math Help - proof of integration technique

  1. #1
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    proof of integration technique

    how to prove that the integration of (x^y+b)^n can only be done without multiplying out the brakets if y=1
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by hmmmm View Post
    how to prove that the integration of (x^y+b)^n can only be done without multiplying out the brakets if y=1
    If y=1, then you have \int (x+b)^n\,dx

    Applying the substitution z=x+b yields the integral \int z^n\,dz

    Can you take it from here?
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