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If a+b+c=2,a^2+b^2+c^2=1a n da b c=3t h ...

If `a+b+c=2,a^2+b^2+c^2=1a n da b c=3t h e n1/a+1/b+1/c` is equal to a. 1/2 b. 2 c. 1 d. `0`

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