In `triangleABC, a(b^(2)+c^(2))cosA+b(c^(2)+a^(2))cosB+c(a^(2)+b^(2))c – InterviewSolution

InterviewSolution

1.	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`
Answer» Correct Answer - B

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