- If the chord of contact of tangents from a point to the circle touches the circle

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

- If the chord of contact of tangents from a point (x1,y1)(x_1, y_1) to the circle x2+y2=a2x^2 + y^2 = a^2 touches the circle (x−a)2+y2=a2(x - a)^2 + y^2 = a^2, then the locus of (x1,y1)(x_1, y_1) is (1) a circle (2) a parabola (3) an ellipse (4) a hyperbola

Related theory

Browse the problem library