Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Parabola, Ellipse and Hyperbola Parabola
Find the equation of the directrix of the parabola x2 = - 8y ?
1
y = - 2
2
y = 2
3
x = - 2
4
More than one of the above
5
None of the above