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Math Help - Variable separable question.

  1. #1
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    Variable separable question.

    Can I get some help with this question please?
    I can't figure it out and I have an exam tomorrow.



    Thanks!
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  2. #2
    MHF Contributor chisigma's Avatar
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    Re: Variable separable question.

    Is...

    \frac{dy}{dt}= 1+t^{2}+y^{2}+t^{2}\ y^{2} = (1+t^{2})\ (1+y^{2}) \implies \frac{dy}{1+y^{2}}= d t\ (1+t^{2})

    Kind regards

    \chi \sigma
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