CircleHard

Question

If a circle passing through the point (−1, 0) touches y-axis at (0, 2), then the length of the chord of the circle along the x-axis is :

Options

A.3/2
B.3
C.5/2
D.5

Solution


(h + 1)2 + 22 = h2
⇒ 2h + 5 = 0
h = - 5/2
AB = 2(AM) = 2
= 2 = 3

Create a free account to view solution

View Solution Free
Topic: Circle·Practice all Circle questions

More Circle Questions

The locus of the centers of the circles which cut the circles x2 + y2 + 4x - 6y + 9 = 0 and x2 + y2 - 5x + 4y - 2 = 0 or...The straight line (x − 2) + (y + 3) = 0 cuts the circle (x − 2)2 + (y − 3)2 = 11 at-...The locus of the mid-point of the chord of contact of tangents drawn from points lying on the straight line4x - 5y = 20 ...The equation of the tangent to the circle x2 + y2 = 25 which is inclined at 60o angle with x-axis, will be-...The locus of the foot of the perpendicular from the centre of the hyperbola xy = c2 on a variable tangent is :...