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    Hi can someone differentiate the following

    dp/dt where p=tcos(xt)
    dq/dt where q=xcos(xt)

    Its for a differential equation and i thought it should be an exact solution but i dont think so anymore. But wanted to check if i was differntiating correctly before i disregard it.
    Thanks
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    I readlised they are exact.
    But can someone help with integrating them.
    Thanks
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    (Original post by Ram92)
    I readlised they are exact.
    But can someone help with integrating them.
    Thanks
    Have you tried using integration by parts?
 
 
 
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