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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 1 · Q10
If ∫ (2^(1/x))/(x^2) d x= k · 2^(1/x)+ C, then k is equal to
If $\displaystyle \int \frac{2^{\frac{1}{x}}}{x^{2}} \mathrm{~d} x=\mathrm{k} \cdot 2^{\frac{1}{x}}+\mathrm{C}$, then k is equal to
Official answer
(A)
$\displaystyle \frac{-1}{\log 2}$
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CBSE Class 12 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.