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`        A circle passes through the points (-1,3)and (5,11) and its radius is 5. Then its centre is?`
7 years ago

## Answers : (1)

147 Points
```										Dear tadi parthi
Let the center is (h,k)
so  (h+1)2 + (k-3)2 = (h-5)2 +(k-11)2 =52
so (h+1)2 + (k-3)2 = (h-5)2 +(k-11)2
simplify
3h +4k=34 ...............1

and (h+1)2 + (k-3)2 =52
h2 +k2 +2h -6k  =15 ..............2
solve 1st and 2nd equation
that will desired solution
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7 years ago
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