JEE MAIN - Mathematics Hindi (2024 - 5th April Evening Shift - No. 10)
यदि $$y(\theta)=\frac{2 \cos \theta+\cos 2 \theta}{\cos 3 \theta+4 \cos 2 \theta+5 \cos \theta+2}$$ हो, तब $$\theta=\frac{\pi}{2}, y^{\prime \prime}+y^{\prime}+y$$ के बराबर है:
$$\frac{1}{2}$$
1
$$\frac{3}{2}$$
2
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