Properties of Radical Axis
Trending Questions
If the equation represents a circle, then its radius is
If the length of tangent drawn from the point (5, 3) to the circle x2+y2+2x+ky+17=0 be 7, then k =
4
-4
-6
13/2
- 1
- 3
- 12
- 2
- (1, 2)
- (2, 1)
- (1, −2)
- (1, 1)
The centre of circle passing through (0, 0) and (1, 0) and touching the circle x2+y2=9 is
(2002)
(12, 12)
(12, √2)
(31, 12)
(12, 32)
The length of common chord of the circles (x−a)2+y2 =a2 and x2+(y−b)2 = b2 is
2√a2+b2
ab√a2+b2
2ab√a2+b2
2ab√a2−b2
If (h, k) is a point from which the tangents to the three circles x2 + y2 − 4x + 7 = 0, 2x2 + 2y2 − 3x + 5y + 9 = 0 and x2 + y2 + y = 0 are equal in length. Find the value of h + k
The centre of circle passing through (0, 0) and (1, 0) and touching the circle x2+y2=9 is
(2002)
(12, 12)
(12, √2)
(31, 12)
(12, 32)
If (h, k) is a point from which the tangents to the three circles x2 + y2 − 4x + 7 = 0, 2x2 + 2y2 − 3x + 5y + 9 = 0 and x2 + y2 + y = 0 are equal in length. Find the value of h + k