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If x + y + z =1, (1)/(x) + (1)/(y) + (1)...

If `x + y + z =1, (1)/(x) + (1)/(y) + (1)/(z) =1 ` and xyz =1 , then `x ^(3) + y ^(3) + z ^(3)`

A

-1

B

1

C

-2

D

2

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