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Math Help - integration

  1. #1
    Newbie
    Joined
    Jan 2009
    Posts
    17

    integration

    just need some help with these if i integrate
    5
    x
    do i just end up with x
    and second i have
    4
    cube root x^2
    the 4 and the x^2 mess things up for me and i dont know what to do
    and if i have
    1
    cube root x
    i get
    3x^2/3
    2
    thank you for any help
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  2. #2
    Senior Member
    Joined
    Nov 2008
    Posts
    461
    Hi there

    Quote Originally Posted by alpharebel10 View Post
    just need some help with these if i integrate
    5
    x
    do i just end up with x
    and second i have
    4
    cube root x^2
    the 4 and the x^2 mess things up for me and i dont know what to do
    and if i have
    1
    cube root x
    i get
    3x^2/3
    2
    thank you for any help
    Wow, that is very hard to read

    1) \int \frac 5 x dx = 5 \int \frac 1 x dx = 5 ln|x| + CONST

    2) \int \frac{4}{\sqrt[3]{x^2}} dx = 4 \int \frac 1 x^{2/3} dx

    = 4 \int x^{-2/3} dx = 4 * 3 * x^{1/3} + CONST

    Done

    Yours,
    Rapha
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  3. #3
    Newbie
    Joined
    Jan 2009
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    17
    Quote Originally Posted by Rapha View Post
    Hi there



    Wow, that is very hard to read

    1) \int \frac 5 x dx = 5 \int \frac 1 x dx = 5 ln|x| + CONST

    2) \int \frac{4}{\sqrt[3]{x^2}} dx = 4 \int \frac 1 x^{2/3} dx

    = 4 \int x^{-2/3} dx = 4 * 3 * x^{1/3} + CONST

    Done

    Yours,
    Rapha
    how do u write everything out like that so people can understand me better ty
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  4. #4
    Flow Master
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    Quote Originally Posted by alpharebel10 View Post
    how do u write everything out like that so people can understand me better ty
    Read this thread: http://www.mathhelpforum.com/math-he...-tutorial.html
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