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In triangleABC, 2(bc cosA+ac cosB+ab cos...

In `triangleABC, 2(bc cosA+ac cosB+ab cosC)=`

A

`a+b+c`

B

`2(a+b+c)`

C

`a^(2)+b^(2)+c^(2)`

D

`2(a^(2)+b^(2)+c^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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