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The centres of a set of circle, each of radius 3, lies on the circle . The locus of any point in the set is

a)

b)

c)

d)



Question ID - 55883 | SaraNextGen Top Answer

The centres of a set of circle, each of radius 3, lies on the circle . The locus of any point in the set is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Let  be any point in the set, then equation of circle is

But  lies on

Then

 Distance between the centres of two circles

Therefore, locus of  is

127 votes


127