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In a triangle (1)/(a+c)+ (1)/(b+c)=(3)/(...

In a triangle `(1)/(a+c)+ (1)/(b+c)=(3)/(a+b+c) ,` then the value of the angle C is-

A

`pi/6`

B

`pi/4`

C

`pi/2`

D

`pi/3`

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The correct Answer is:
D
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