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In triangle ABC, if a^(2) + b^(2) +c^(2)...

In triangle ABC, if `a^(2) + b^(2) +c^(2) -bc -ca -ab=0,` then the value of `sin ^(2)A+ sin ^(2)B+sin ^(2)C` is -

A

`9/4`

B

`4/9`

C

`(3sqrt3)/(2)`

D

`3/2`

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The correct Answer is:
A
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 9
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