Question

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

JEE/Engineering Exams

Maths

Solution

110

4.0 (1 ratings)

( 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} )