Question

hi....
Please solve this.....
It's very easy question....

Answer 1

Heya

$\frac{ \sqrt{2x +3 h} - \sqrt{2x} }{2h}$

Convert it :
$= \frac{3h}{2h( \sqrt{2x + 3h} + \sqrt{2x} ) }$

$= \frac{3}{2 \sqrt{2x + 3h} + 2 \sqrt{2x} }$

As 'h' tends to zero : the expression tends to :
$\frac{3}{4 \sqrt{2x} }$