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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 5 · Set 1 · Q7
If x e^y =1, then the value of dy/dx at x=1 is:
If $\displaystyle x \mathrm{e}^{\mathrm{y}}=1$, then the value of $\displaystyle \frac{\mathrm{dy}}{\mathrm{dx}}$ at $\displaystyle x=1$ is :
Official answer
(A)
$\displaystyle -1$
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.