TS EAMCET · Maths · Circle
If two circles touch at \((0,0)\) externally, then their radical axis is
- A \(x=y\) or \(x=-y\)
- B does not exist
- C any line passing through \((0,0)\)
- D their common tangent at \((0,0)\)
Answer & Solution
Correct Answer
(D) their common tangent at \((0,0)\)
Step-by-step Solution
Detailed explanation
Their common tangent at \((0,0)\). It is obvious.
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