JEE MAIN - Mathematics Hindi (2023 - 31st January Evening Shift - No. 11)
यदि $$\phi(x)=\frac{1}{\sqrt{x}} \int_\limits{\frac{\pi}{4}}^{x}\left(4 \sqrt{2} \sin t-3 \phi^{\prime}(t)\right) d t, x > 0$$ है, तो $$\emptyset^{\prime}\left(\frac{\pi}{4}\right)$$ बराबर है :
$$\frac{4}{6+\sqrt{\pi}}$$
$$\frac{4}{6-\sqrt{\pi}}$$
$$\frac{8}{\sqrt{\pi}}$$
$$\frac{8}{6+\sqrt{\pi}}$$
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