CBSE 2025 · Region 7 · Set 1 · Q9 · 1 mark
If $\displaystyle \mathrm{f}(\mathrm{x})=-2 \mathrm{x}^{8}$, then the correct statement is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \mathrm{f}^{\prime}\left(\frac{1}{2}\right)=-\mathrm{f}^{\prime}\left(-\frac{1}{2}\right)$
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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.