Question

if a + b + c = 0 find the value of a square + b square + c square​

Answer 1

Step-by-step explanation:

a²+b²+c²=a+b+c+2ab+2bc+2ca

a²+b²+c²=0+2(ab+bc+ca)

a²+b²+c²=2(ab+bc+ca)