Let y2=4ax be parabola and PQ be focal chord. Let T be point of intersection of tangents at P and Q. Then1) area of circumcircle of triangle PQT is piePQ²/42) orthocentre of Triangle PQT will lie on tangent att vertex3) incentre of PQT will be vertexof parabola4) incentre of PQT will lie on directrix

Aryan Kumar , 6 Years ago

Grade 11