defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Limit and Continuity Evaluation of Limits
If \(\rm y = \log \left( \frac{1 + \sqrt x}{1 - \sqrt x} \right)\) then \(\rm \frac{dy}{dx} \) is equal to
1
\(\rm \frac{1}{\sqrt{x( 1+ x)}}\)
2
\(\rm \frac{1}{\sqrt{x( 1- x)}}\)
3
\(\frac{\sqrt x}{1 + x}\)
4
None of these