9231 P22 - Nov 2020 - Q4 - 8 marks
6066
Find the solution of the differential equation
\[x \frac{\mathrm{~d} y}{\mathrm{~d} x}+2 y=\mathrm{e}^{x}\]
for which \(y=3\) when \(x=1\). Give your answer in the form \(y=\mathrm{f}(x)\).
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