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[" 17.If "x^(2)=y+z,y^(2)=z+x" and "z^(2...

[" 17.If "x^(2)=y+z,y^(2)=z+x" and "z^(2)=x+y" ,then what is the value of "(1)/(x+1)+(1)/(y+1)+(1)/(z+1)?],[[" (a) "1," (b) "0," (c) "-1," [NTSE I "]]

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