यदि x^(2)=y+z,y^(2)=z+x,z^(2)=x+y है तो ...

यदि `x^(2)=y+z,y^(2)=z+x,z^(2)=x+y` है तो `1/(x+1)+1/(y+1)+1/(z+1)` का मान क्या होगा?

A

`-1`

B

1

C

2

D

4

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