jee-main 2025 Q18

jee-main · India · session1_24jan_shift1 Sign Change & Interval Methods
$\lim_{x \rightarrow 0} \operatorname{cosec} x \left(\sqrt{2\cos^2 x + 3\cos x} - \sqrt{\cos^2 x + \sin x + 4}\right)$ is:
(1) 0
(2) $\frac{1}{\sqrt{15}}$
(3) $\frac{1}{2\sqrt{5}}$
(4) $-\frac{1}{2\sqrt{5}}$
$\lim_{x \rightarrow 0} \operatorname{cosec} x \left(\sqrt{2\cos^2 x + 3\cos x} - \sqrt{\cos^2 x + \sin x + 4}\right)$ is:\\
(1) 0\\
(2) $\frac{1}{\sqrt{15}}$\\
(3) $\frac{1}{2\sqrt{5}}$\\
(4) $-\frac{1}{2\sqrt{5}}$