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If a+b+c=2,a^(2)+b^(2)+c^(2)=1 and abc =...

If `a+b+c=2,a^(2)+b^(2)+c^(2)=1` and abc = 3 then `1/a+1/b+1/c` is equal to

A

0

B

`1//2`

C

1

D

2

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