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Thread: Integrating Factor

  1. #1
    asd
    asd is offline
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    Integrating Factor

    I have this equation:

    $\displaystyle y'+ytanx=sinx$

    The integrating factor give me $\displaystyle f=e^xcosx$

    Factor replacement and give me:

    $\displaystyle e^xcosxdy+e^xcosx(ytanx-senx)dx=0$ but the partial derivates give me:

    $\displaystyle Q_x=cosxe^x-senxe^x$ and $\displaystyle Q_y=e^xsenx$

    Thanks
    Last edited by asd; May 14th 2010 at 11:48 AM.
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  2. #2
    Super Member General's Avatar
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    1- What is $\displaystyle senx$ ?
    2- I think if you read the title of your thread, you will know how to solve it ..
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