Two circles, each of radius 5 , have a common tangent at \( (1,1) \) whose equation is \( 3 x+4 ...

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Two circles, each of radius 5 , have a common tangent at \( (1,1) \) whose equation is \( 3 x+4 y-7=0 \). Then their centres are
(a) \( (4,-5),(-2,3) \)
(b) \( (4,-3),(-2,5) \)
(c) \( (4,5),(-2,-3) \)
(d) none of these
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