CBSE 2023 · Region 2 · Set 1 · Q7 · 1 mark
The integrating factor of the differential equation $\displaystyle \left(1-\mathrm{y}^{2}\right) \frac{\mathrm{d} x}{\mathrm{dy}}+\mathrm{y} x=\mathrm{ay},(-1<\mathrm{y}<1)$ is
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle \frac{1}{\sqrt{1-\mathrm{y}^{2}}}$
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.