CBSE 2026 · Region 2 · Set 3 · Q15 · 1 mark
The general solution of the differential equation : $\displaystyle x^{2} \mathrm{dy}+\mathrm{y}^{2} \mathrm{~d} x=0$ is
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{1}{\mathrm{y}}+\frac{1}{x}=\mathrm{k}$
Differential EquationsMethods of Solving First Order, First Degree Differential EquationsApplymcqeasy
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CBSE Class 12 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.