MAT2680 Differential Equations, FA2013

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  • page-40, problem-19
  • September 6, 2013 at 3:20 am #13448

    Afzal
    Participant

    The integral factor is e^4/3*t^3.when i multiply both side with it and take integral i found
    y. e^4/3*t^3=∫e^(4/3*t^3-t)+c.but i don’t know how to simply that.

    September 9, 2013 at 12:22 am #17107

    Ezra Halleck
    Participant

    NO! The IF=e^∫(4/t)dt=e^(4ln t)=t^4

    Don’t forget to divide by the coefficient of y’ before you find the IF!

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