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Math Help - [SOLVED] Integrate

  1. #1
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    [SOLVED] Integrate

    Integrate between 2 and 3 the fractions -2 / (2x+1) + 1 / (x-1)


    thanks
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  2. #2
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    Quote Originally Posted by gracey View Post
    Integrate between 2 and 3 the fractions -2 / (2x+1) + 1 / (x-1)


    thanks
    Use the standard result \int \frac{1}{ax + b} \, dx = \frac{1}{a} \, \ln |ax + b| + C
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  3. #3
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    Quote Originally Posted by mr fantastic View Post
    Use the standard result \int \frac{1}{ax + b} \, dx = \frac{1}{a} \, \ln |ax + b| + C

    Just want to add, if you have trouble remembering this standard result (as I always do), do a u-substitution and use the easier standard result

    \int \frac{1}{x} \, dx = \ln |x| + C.
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    thank you both so much
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