defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Parabola, Ellipse and Hyperbola Ellipse
Determine k so that the line y = 2x + k may touch the ellipse 3x2 + 5y2 = 15
1
\(±\sqrt{23}\)
2
\(±\sqrt{32}\)
3
\(±\sqrt{18}\)
4
None of these