CBSE 2025 · Region 4 · Set 3 · Q4 · 1 mark
If $\displaystyle y=\log _{2 \mathrm{x}}(\sqrt{2 \mathrm{x}})$, then $\displaystyle \frac{d y}{d \mathrm{x}}$ is equal to :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle 0$
Continuity and DifferentiabilityLogarithmic DifferentiationApplymcqmedium
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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.