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Question
Two non-intersecting circles, one lying inside another, are of radii a and b (a > b).The minimum distance between their circumference is c. The distance between their centres is
Two non-intersecting circles, one lying inside another, are of radii a and b (a > b).The minimum distance between their circumference is c. The distance between their centres is
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Solution
The correct option is C a−b−c
Let A and B be the centres of two circles.AD=a, BC=band CD=c
AB=AD−(BC+CD)
=a−(b+c)=a−b−c
Let A and B be the centres of two circles.AD=a, BC=band CD=c
AB=AD−(BC+CD)
=a−(b+c)=a−b−c
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