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Two circles with centres at C(1) , C(2)...

Two circles with centres at ` C_(1) , C_(2) ` and having radii ` r_(1) , r_(2)` will intersect each in two real distinct points if , and only if :

A

`l (C_(1) C_(2)) lt r_(1) + r_(2)`

B

`l (C_(1) C_(2)) - |r_(1) - r_(2)|`

C

`|r_(1) - r_(2)| lt l (C_(1) C_(2) ) lt r_(1) + r_(2)`

D

none of these

Text Solution

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The correct Answer is:
C
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