CBSE 2025 · Region 6 · Set 1 · Q9 · 1 mark
Let $\displaystyle f(\mathrm{x})=|\mathrm{x}|, \mathrm{x} \in R$. Then, which of the following statements is incorrect?
Official answer
From CBSE’s own marking scheme for this paper.
(D)
f is differentiable at $\displaystyle \mathrm{x}=0$.
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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.