Question

If a+b+c=0 ,then prove (b+c)^2 /3bc + (c+a)^2 /3ca + ( a+b)^2 / 3ab that =1

Answer 1

Answer:

If a+b+c=0 ,then prove that ( b+c)²/3bc + (c+a)²/3ac + (a+b)²/3ab =1. 2.