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If a ^(2) +b ^(2) + c ^(2) = 14 and a + ...

If `a ^(2) +b ^(2) + c ^(2) = 14 and a + b + c= 6,` then the value of `(ab+ bc + ca)` is

A

`2^(7)`

B

`3^(7)`

C

1

D

0

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The correct Answer is:
A
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