defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Relations and Functions Functions and its properties
If \(f(x)=\frac{1+x}{1-x}\), then \(\frac{f(x).f(x^2)}{1+[f(x)]^2}\) is equal to
1
\(\frac{1}{4}\)
2
\(\frac{1}{6}\)
3
\(\frac{1}{8}\)
4
\(\frac{1}{2}\)