CircleHard
Question
The circles whose equations are x2 + y2 + c2 = 2ax and x2 + y2 + c2 − 2by = 0 will touch one another externally if -
Options
A.
B.
C.
D.None of these
More Circle Questions
If y = c is a tangent to the circle x2 + y2 - 2x + 2y -2 = 0, then the value of c can be -...The equation of a circle which passes through the three points (3, 0) (1, -6), (4, -1) is -...The greatest distance of the point P(10, 7) from the circle x2 + y2 - 4x - 2y - 20 = 0 is -...Equation of line passing through mid point of intercepts made by circle x2 + y2 _ 4x _ 6y = 0 on co-ordinate axes is...Two lines through (2, 3) from which the circle x2 + y2 = 25 intercepts chords of length 8 units have equations...