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# The integrating factor of the differential equation $\large\frac{dy}{dx}$$+py=Q is $\begin{array}{1 1}(1)\int\mathrm{pdx}\,&(2)\int\mathrm{Q}\,\mathrm{dx}\\(3)\int\limits_{e}\mathrm{Q}\,\mathrm{dx}&(4)\int\limits_{e}\mathrm{p}\mathrm{dx}\end{array}$ Can you answer this question? ## 1 Answer 0 votes Integrating factor of the differetial equatio \large\frac{dy}{dx}$$+Py =Q$ is $e^{\int pdx}$
Hence 4 is the correct answer.
answered May 21, 2014 by