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KCET 2007 Math Solved Paper

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Question : 21

Total: 60

x2+y2−6x−6y+4=0,x2+y2−2x−4y+3=0,x2+y2+2kx+2y+1=0 If the Radical centre of the above three circles exists, then which of the following cannot be the value of k ?

1
2
4
5

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