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

(a) `3abc^(2)`

B

(b) `3a^(2)bc`

C

(c) `3abc`

D

(d) `3ab^(2)c`

Verified by Experts

The correct Answer is:

C

Similar Questions

Explore conceptually related problems

In triangleABC, a^(2) sin2C + c^(2) sin2A=

In triangleABC, (cos2A)/(a^(2))-(cos2B)/(b^(2))=

In triangleABC , if a^(2)+c^(2)-b^(2)=ac , then angleB=

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

If a, b, c are the sides of the triangle ABC such that a^(4) +b^(4) +c^(4)=2c^(2) (a^(2)+b^(2)), then the angle opposite to the side c is-

IN triangleABC, (cosC+cosA)/(c+a)+(cosB)/(b)=

In DeltaABC,(a-b)^(2)cos^(2).(C)/(2)+(a+b)^(2)sin^(2).(C)/(2) =

In triangleABC , if a=18, b=24, c=30 , then cos((A)/(2))=

In triangleABC , if sin^(2)(A/2),sin^(2)(B/2),sin^(2)(C/2) be in H.P., then a , b , c will be in