Mohon bantuannya , please..

1. 
[tex]\lim_{x \to \ 2} \frac{2 - \sqrt{x+2} }{x-2} . \frac{2+ \sqrt{x+2}}{2+ \sqrt{x+2} } \lim_{x \to \ 2} \frac{4-(x+2)}{x-2 (2+ \sqrt{x+2}) } \lim_{x \to \ 2} \frac{- (x-2)}{x-2 (2+ \sqrt{x+2}) } } =-1 / 2+ \sqrt{2+2} =-1 / 2+2 =-1 / 4[/tex]