CBSE 2025 · Region 6 · Set 1 · Q13 · 1 mark
The solution for the differential equation $\displaystyle \log \left(\frac{d \mathrm{y}}{d \mathrm{x}}\right)=3 \mathrm{x}+4 \mathrm{y}$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle 3 \mathrm{e}^{-4 \mathrm{y}}+4 \mathrm{e}^{3 \mathrm{x}}+12 \mathrm{C}=0$
Differential EquationsMethods of Solving First Order, First Degree Differential EquationsApplymcqmedium
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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.