Home › TS EAMCET › Mathematics › Coordinate Geometry: System of Circles › Two circles touching at a point have radical axi…
Two circles touching at a point have radical axis equal to the?
ALine of centres
BLarger diameter
CCommon tangent
DSmaller chord
Answer & Solution
Correct answer: C. Common tangent
At the contact point both powers are zero, and the axis through it perpendicular to the line of centres is the common tangent.
Related questions
The plane of the common circle of two spheres is the?Four points fix a unique sphere if they are?Base points that define a pencil of conics?Points in general position that fix a conic?The line shared by every plane of a pencil of planes is its?The common point of a pencil of lines is its?The radical plane of two spheres has equal what?In the chords and secants theorems, power of a point is the?