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In a Delta ABC the equation of the side...

In a `Delta ABC ` the equation of the side BC is `2x-y =3` and its circumcentre and orthocentre are `(2,4) and (1,2) ` respetively .
`sin B.sin C=`

A

`9/(2sqrt(61))`

B

`9/(4sqrt(61))`

C

`9/(sqrt(61))`

D

`9/(5sqrt(61))`

Text Solution

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The correct Answer is:
A
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