defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Differential Calculus Evaluation of derivatives
Let y = loge \(\left(\frac{1-x^2}{1+x^2}\right)\), –1 < x < 1. Then at x = \(\frac{1}{2}\), the value of 225(y' - y") is equal to
1
732
2
746
3
742
4
736