Mathematics · 2023
JEE Main · 13 April 2023, Shift 2 · Q9
If lim_x → 0 (e^a x- cos (b x)-(c x e^-c x)/2)/(1- cos (2 x))=17, then 5 a^2+b^2 is equal to
If $\displaystyle \lim _{x \rightarrow 0} \frac{e^{a x}-\cos (b x)-\dfrac{c x e^{-c x}}{2}}{1-\cos (2 x)}=17$, then $\displaystyle 5 a^2+b^2$ is equal to
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 68$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.