Question

A + b + C is equal to zero to a square + b square + c square kiske barabar hoga

Answer 1

Step-by-step explanation:

a+b+c=0

(a+b+c)^2=0

a^2+b^2+c^2+2ab+2bc+2ca=0

a^2+b^2+c^2= -2(ab+bc+ca)