JEE MAIN - Mathematics Hindi (2024 - 8th April Morning Shift - No. 30)
$$\lim _\limits{x \rightarrow 0} 2\left(\frac{1-\cos x \sqrt{\cos 2 x} \sqrt[3]{\cos 3 x} \ldots \ldots \cdot \sqrt[6]{\cos 10 x}}{x^2}\right)$$ का मान है _________.
Answer
55
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