JEE MAIN - Mathematics Hindi (2025 - 29th January Evening Shift - No. 13)

यदि विभेदक समीकरण $\frac{d y}{d x}+(\tan x) y=\frac{2+\sec x}{(1+2 \sec x)^2}$ के हल वक्र $y=f(x)$ के लिए, $x \in\left(\frac{-\pi}{2}, \frac{\pi}{2}\right), f\left(\frac{\pi}{3}\right)=\frac{\sqrt{3}}{10}$, तो $f\left(\frac{\pi}{4}\right)$ का मान है:
$\frac{5-\sqrt{3}}{2 \sqrt{2}}$
$\frac{4 - \sqrt{2}}{14}$
$\frac{9\sqrt{3} + 3}{10(4 + \sqrt{3})}$
$\frac{\sqrt{3} + 1}{10(4 + \sqrt{3})}$

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