defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Parabola, Ellipse and Hyperbola Parabola
The parametric equation of a parabola is x = t2 + 1, y = 2t + 1. Then Cartesian equation of its directrix is
1
y = 1
2
x = 1
3
y = 0
4
x = 0