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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

`0`

B

`3abc`

C

`3a^(2)bc`

D

`3ab^(2)c`

Text Solution

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The correct Answer is:
B
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