Instructional Video
Khan Academy

Khan Academy: Algebra: Conic Sections: Iit Jee Circle Hyperbola Common Tangent 3

9th - 10th Standards
The third video of five on solving an IIT JEE problem concerning a tangent line that is common both to a circle and a hyperbola. This video uses algebra to determine where the arbitrary line y = mx + b could intersect the given hyperbola...