1.

Let S1:x2+y2=9 and S2:(x−2)2+y2=1. Then the locus of center of a variable circle S which touches S1 internally and S2 externally always passes through the points:

Answer»

Let S1:x2+y2=9 and S2:(x2)2+y2=1. Then the locus of center of a variable circle S which touches S1 internally and S2 externally always passes through the points:



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