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✓ Board-verified
Mathematics · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 2 · Q1
If ∫ (3 a x)/(b^2+ c^2 x^2) d x= A log | b^2+ c^2 x^2|+ K, then the value of A is
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
(D)
$\displaystyle \frac{3 \mathrm{a}}{2 \mathrm{c}^{2}}$
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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.