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Calculus 2

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Evalute the integral of x/(x^2+4)dx using u-substitution and then trigonometric substitution. I did this and got (1/2)ln(x^2+4)+C using u-substitution and x^2+4+C using trigonometric substitution. What did I do wrong??? thank you for helping!

  • Calculus 2 -

    The answer is clearly
    (1/2) ln(x^2 + 4) + C

    you can check by taking the derivative

    I don't know how you got the other answer, but it is definitely incorrect

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