cos lim- *11-X is equal to : + .
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cos lim- *11-X is equal to : + .

JEE/Engineering Exams
Maths
Solution
110
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( lim _{x rightarrow 1} frac{cos left(frac{pi x}{2}right)}{1-sqrt{x}} ) ( frac{0}{0} ) form ( begin{aligned} text { Litospital rule } lim _{x rightarrow 1} frac{operatorname{tsin}left(frac{pi x}{2}right)left(frac{1}{x}right)}{operatorname{tin} sqrt{x}} & text { in } sqrt{x} sin left(frac{pi x}{2}right) end{aligned} )
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