defence exam Army Havildar SAC Mock Test Series 2025 Mathematics Parabola, Ellipse and Hyperbola Tangents and Normals to Conics
The normal to the rectangular hyperbola \(xy=c^2\) at the point '\(t\)' meets the curve again at a point ' \(t'\) ' such that :
1
\(t^2t'=-1\)
2
\(t^3t'=-1\)
3
\(tt'=-1\)
4
None of these