# arrow_back One possible integrating factor for the following linear differential equation is $X \frac{d Y}{d X}+(X+1) Y=3 X^{2} e^{-X}$

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One possible integrating factor for the following linear differential equation is

$X \frac{d Y}{d X}+(X+1) Y=3 X^{2} e^{-X}$

1. $X e^{x}$
2. $e^{X}$
3. $X+\ln X$
4. None of these

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