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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q7
If f(x)= {(sin x)/x+ cos x, x ≠ 0; k, x=0} is continuous at x=0, then the value of k is:
If $\displaystyle f(x)=\left\{\begin{array}{ll}\frac{\sin x}{x}+\cos x, & x \neq 0 \\ k, & x=0\end{array}\right.$ is continuous at $\displaystyle x=0$, then the value of $\displaystyle k$ is :
Official answer
(D)
$\displaystyle 2$
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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.