CircleHard
Question
If the circle x2 + y2 = a2 cuts off a chord of length 2b from the line y = mx + c, then-
Options
A.(1− m2) (a2 − b2) = c2
B.(1+ m2) (a2 − b2) = c2
C.(1 − m2) (a2 + b2) = c2
D.None of these
More Circle Questions
The radius of the circle in which the sphere x2 + y2 + z2 + 2x - 2y - 4z - 19 = 0 is cut by the plane x + 2y + 2z + 7 = ...The radius of a circle with centre (a, b) and passing through the centre of the circle x2 + y2 − 2gx + f2 = 0 is-...Let P and Q be distinct points on the parabola y2 = 2x such that a circle with PQ as diameter passesthrough the vertex O...The equation of the hyperbola whose foci are (6, 5), (-4, 5) and eccentricity 5/4 is -...If two distinct chords, drawn from the point (p, q) on the circle x2 + y2 = px + qy (where pq ≠ 0) are bisected by...