If a/(b+c)=b/(c+a)=c/(a+b) =1/3,then the...

If `a/(b+c)=b/(c+a)=c/(a+b) =1/3,`then the value of `a^2/((b+c)^2)+ b^2/((c+a)2) + c^2/((a+b)^2)` is

A

0

B

1

C

`1/3`

D

2

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The correct Answer is:

C

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