Use the method of variation of parameters to determine a particular solution to the given equation.\ y''' + 21y'' + 147y' + 343y = e^{-7x}\ y_p(x) =
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The given equation is y"+21y"+147y'+343y=e-7x. To write it in standard form, we rearrange the terms: y"+21y"+147y'+343y+7e-7x=0. Show more…
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