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If a,b, are three non-zero real numbers ...

If a,b, are three non-zero real numbers such that `a + b + c =0, and b ^(2) ne ` ca, then the value of ` (a ^(2) + b ^(2) + c ^(2))/( b ^(2) - ca )` is

A

3

B

2

C

0

D

1

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