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Math Help - 2nd Order ODE

  1. #1
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    2nd Order ODE

    Hey there,

    I'm having some trouble with the attached problem. If anyone could give me a guide as to how I should tackle it, it would be much appriciated.

    Regards,
    Finnigan.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by holmesb View Post
    Hey there,

    I'm having some trouble with the attached problem. If anyone could give me a guide as to how I should tackle it, it would be much appriciated.

    Regards,
    Finnigan.
    It is a second order costant coefficient linear inhomogeneous ODE, you find the general solution to the homogeneous equation then add that to a particular integral of the equation.

    A particular integral for this will be of the form a \sin(3x)

    CB
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