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In a Delta ABC " if " |(1,a,b),(1,c,a),(...

In a `Delta ABC " if " |(1,a,b),(1,c,a),(1,b,c)| =0`, then `sin^(2) A + sin^(2) B + sin^(2) C` is

A

`(9)/(4)`

B

`(4)/(9)`

C

1

D

`3sqrt(3)`

Text Solution

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The correct Answer is:
A
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