Limit Cos 2-cos 2 x x=-1 x²-x| (a) ...
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Limit Cos 2-cos 2 x x=-1 x²-x| (a) 2 cos 2 (c) 2 sin 2 (b) – 2 cos 2 (d) – 2 sin 2

JEE/Engineering Exams
Maths
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of of bomp ( Rightarrow ) L-Hopita ( begin{aligned}=int_{x rightarrow-1}^{4} frac{2 sin 2 x}{2 x+1} &=frac{2 sin (-2)}{-2+1} &=frac{-2 sin 2}{-1} &=2 sin 2( text { e) the } end{aligned} )
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