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Applied Mathematics · 2026 · 1 mark
CBSE 2026 · Central · Set 4 · Q3
If AB = A and BA = B, then ( B^2+ B ) is equal to:
If $\displaystyle \mathrm{AB}=\mathrm{A}$ and $\displaystyle \mathrm{BA}=\mathrm{B}$, then $\displaystyle \left(\mathrm{B}^2+\mathrm{B}\right)$ is equal to :
Official answer
(D)
$\displaystyle 2 \mathrm{B}$
Asked in 2 different years
- 2024 · Central · Set 4 · Q3
- 2026 · Central · Set 4 · Q3
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Asked in 2024 & 2026. CBSE Class 12 Applied 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.