Question

How to solve this question?

Answer 1

differentiate numerator and denominator separately which called as L'hospital rule
so u willget
$1\times \frac{ - 1 \div 2}{ \sqrt{2 - x} } + 1\frac{1 \div 2}{ \sqrt{2 + x} }$
so substitute x=0
u will get
value as 0