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Mathematics · 2025 · 1 mark
Differential EquationsMethods of Solving First Order, First Degree Differential Equations1 markApplymcq
CBSE 2025 · Region 4 · Set 2 · Q16
The integrating factor of the differential equation dy/dx+ y tan x - sec x =0 is:
The integrating factor of the differential equation $\displaystyle \frac{\mathrm{dy}}{\mathrm{dx}}+\mathrm{y} \tan \mathrm{x}-\sec \mathrm{x}=0$ is :
Official answer
(B)
$\displaystyle \sec \mathrm{x}$
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CBSE Class 12 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.