Mathematics · 2023
JEE Main · 8 April 2023, Shift 1 · Q19
Let f(x)=(sin x+ cos x-√ 2)/(sin x- cos x), x ∈[0, π]-{(π)/4}. Then f((7 π)/12) f^′ ′((7 π)/12) is equal to
Let $\displaystyle f(x)=\frac{\sin x+\cos x-\sqrt{2}}{\sin x-\cos x}, x \in[0, \pi]-\left\{\frac{\pi}{4}\right\}$. Then $\displaystyle f\left(\frac{7 \pi}{12}\right) f^{\prime \prime}\left(\frac{7 \pi}{12}\right)$ is equal to
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \frac{2}{9}$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.