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Let a,b,c be different nonzero real numb...

Let a,b,c be different nonzero real numbers and x,y,z be three numbers satisfying the system of equations
`(x)/(a)+(y)/(a-1)+(z)/(a+1)=1`
`(x)/(b)+(y)/(b-1)+(z)/(b+1)=1`
`(x)/(c)+(y)/(c-1)+(z)/(c+1)=1`
Then which of the following is correct?

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