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If O is the circum-centre of triangle AB...

If O is the circum-centre of triangle ABC and `R_1 , R_2 and R_3` respectively the radii of circumcircles of the triangles OBC, OCA and OAB, then `a/R_1 + b/R_2 + c/R_3=……..`

Text Solution

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The correct Answer is:
`(abc)/(R^3)`
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Knowledge Check

  • In a triangle ABC if r_1=R , then

    A
    `cos A+ cos B = cos C`
    B
    `cos B+ cos C = cos A`
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    `R_(1)gtR`
    B
    `R_(1)=R`
    C
    `R_(1)ltR`
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