CBSE 2026 · Region 1 · Set 2 · Q1 · 1 mark
If $\displaystyle \int \frac{3 \mathrm{a} x}{\mathrm{~b}^{2}+\mathrm{c}^{2} x^{2}} \mathrm{~d} x=\mathrm{A} \log \left|\mathrm{b}^{2}+\mathrm{c}^{2} x^{2}\right|+\mathrm{K}$, then the value of A is
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle \frac{3 \mathrm{a}}{2 \mathrm{c}^{2}}$
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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.