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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 2 · Set 1 · Q5
If d/(d x)[ f (x)]= a x+ b and f (0)=0, then f (x) is equal to
If $\displaystyle \frac{\mathrm{d}}{\mathrm{d} x}[\mathrm{f}(x)]=\mathrm{a} x+\mathrm{b}$ and $\displaystyle \mathrm{f}(0)=0$, then $\displaystyle \mathrm{f}(x)$ is equal to
Official answer
(B)
$\displaystyle \frac{\mathrm{a} x^{2}}{2}+\mathrm{b} x$
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CBSE Class 12 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.