Question
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} )

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
Solution
