CBSE 2023 · Region 4 · Set 3 · Q18 · 1 mark
The integrating factor for solving the differential equation $\displaystyle \mathrm{x} \frac{\mathrm{dy}}{\mathrm{dx}}-\mathrm{y}=2 \mathrm{x}^{2}$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle \frac{1}{\mathrm{x}}$
Differential EquationsMethods of Solving First Order, First Degree Differential EquationsApplymcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.