CBSE 2025 · Region 1 · Set 1 · Q12 · 1 mark
The integrating factor of differential equation $\displaystyle \left(x+2 \mathrm{y}^{3}\right) \frac{d \mathrm{y}}{d x}=2 \mathrm{y}$ is
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \frac{1}{\sqrt{\mathrm{y}}}$
Differential EquationsMethods of Solving First Order, First Degree Differential EquationsRemembermcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.