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

1.	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
A.	a - b
B.	a - b + c
C.	a + b - c
D.	a - b - c
Answer» E.

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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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