# Thread: ODE - Integrating factor proofs

1. ## ODE - Integrating factor proofs

Hi guys,
I would like some help on this problem.

I have a quiz soon, which is on this problem set. I can't get help tomorrow as I have classes all day. I have been really busy during the last few weeks on the family farm. I have hired a personal tutor, but we don't start until after the quiz. Thus help would be much much appreciated.

I'm not exactly sure how to model this.

Well have you at least started by multiplying both sides by \displaystyle \begin{align*} \mu = \mathrm{e}^{\int{ p(x)\,\mathrm{d}x } }\end{align*}?
Also, this will help you: \displaystyle \begin{align*} \left[ u(x) \, v(x) \right] ' = u(x)\,v'(x) + u'(x)\,v(x) \end{align*}
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