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Mathematics · 2026 · 1 mark
Differential EquationsMethods of Solving First Order, First Degree Differential Equations1 markApplymcq
CBSE 2026 · Region 2 · Set 1 · Q12
The integrating factor of the differential equation 2 x dy/dx- y =3 is
The integrating factor of the differential equation $\displaystyle 2 x \frac{\mathrm{dy}}{\mathrm{dx}}-\mathrm{y}=3$ is
Official answer
(B)
$\displaystyle \frac{1}{\sqrt{x}}$
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CBSE Class 12 Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.