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Math Help - Integrate problem- need to review for accuracy

  1. #1
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    Integrate problem- need to review for accuracy

    Please check to see if I correctly solved this problem.

    ∫ sqrt(4
    X^2+9X^4)

    ∫ (x) sqrt(4+9X^2)
    let u= 4 + 9x^2
    let du= 18x dx

    1/18∫ sqrt(u)du
    2/3(1/18) (u)^3/2 +C
    1/27 (4+ 9x^2)^3/2 +c


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  2. #2
    No one in Particular VonNemo19's Avatar
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    Detroit, MI
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    Quote Originally Posted by tigermadness View Post
    Please check to see if I correctly solved this problem.

    ∫ sqrt(4
    X^2+9X^4)

    ∫ (x) sqrt(4+9X^2)
    let u= 4 + 9x^2
    let du= 18x dx

    1/18∫ sqrt(u)du
    2/3(1/18) (u)^3/2 +C
    1/27 (4+ 9x^2)^3/2 +c


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  3. #3
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    Thanks
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