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Consider a triangle ABC, where x, y, z a...

Consider a triangle ABC, where x, y, z are the length of perpendicular drawn from the vertices of the triangle to the opposite sides a, b, c respectively let the letters R, r, S, D denote the circumradius. inradius semi-perimeter and area of the triangle respectively.
The value of `(c sin B + b sin C)/x + (a sin C + c sin A)/y + (b sin A + a sin B)/z ` is equal to

A

`R/r`

B

`S/R`

C

2

D

6

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The correct Answer is:
d
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