Khan Academy Static

See Sal solve two (very) advanced problems from the IIT JEE exam, a highly challenging exam administered in India.

2690_Common_tangent_of_circle_hyperbola_2_of_5_.html

2693_Common_tangent_of_circle_hyperbola_5_of_5_.html

2689_Common_tangent_of_circle_hyperbola_1_of_5_.html

2688_Representing_a_line_tangent_to_a_hyperbola.html

2694_Intersection_of_circle_hyperbola.html

2691_Common_tangent_of_circle_hyperbola_3_of_5_.html

2692_Common_tangent_of_circle_hyperbola_4_of_5_.html