CBSE 2026 · Region 1 · Set 3 · Q11 · 1 mark
The least value of $\displaystyle \mathrm{f}(x)=\mathrm{e}^{-x}$ in [$\displaystyle 0$, $\displaystyle 3$] is
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle \mathrm{e}^{-3}$
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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.