The radical axis of two circles having centres at C1 and C 2 and radii r1 and r2 is neither intersecting nor touching any of the circles, if

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C1C2=0

C1C2=r1−r2

r1−r2

answer is B.

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Detailed Solution

The radical axis of two circles will neither intersect nor touch any of the given circles in the following cases: (i) When C1C2>r1+r2 (ii) When 0

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