CUET and UG exam AP EAPCET Engineering Mock Test Series 2025 Mathematics Parabola, Ellipse and Hyperbola Tangents and Normals to Conics
If 3x + 4y =12√2 is a tangent to the ellipse (x2/a2) + (y2/9) = 1 for some a ∈ R then the distance between the foci of the ellipse is :
1
2√5
2
2√7
3
2√2
4
4