Add : a2+ 3ab – bc , b2+ 3bc – ca and c2+ 3ca –ab
Answers
Answered by
3
Step-by-step explanation:
a2+ 3ab – bc + b2+ 3bc – ca + c2+ 3ca –ab
a^2+ b^2 + c^2 + 3ab +3bc + 3ac - bc - ca - ab
a^2+ b^2 + c^2 + 2 bc + 2ca +2ab
(a+b+c)^2
Answered by
1
a2 + 3ab - bc, b2 + 3bc - ca, c2 + 3ca - ab
a2+ 3ab - ab - bc + 3bc + b2 - ca + 3ca + c2
a2 + 2ab - 2bc +b2 -2ca +c2
Similar questions