CBSE 2025 · Region 2 · Set 1 · Q2 · 1 mark
The function $\displaystyle \mathrm{f}(x)=x^{2}-4 x+6$ is increasing in the interval
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle [2, \infty)$
Application of DerivativesIncreasing and Decreasing FunctionsApplymcqeasy
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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.