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In triangleABC, a(b^(2)+c^(2))cosA+b(c^(...

In `triangleABC, a(b^(2)+c^(2))cosA+b(c^(2)+a^(2))cosB+c(a^(2)+b^(2))cosC=`

A

`3abc^2`

B

`3a^2 bc`

C

3abc

D

`3ab^2 c`

Text Solution

Verified by Experts

The correct Answer is:
C
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