Question

1) a² +6²+²=20
a+b+c=0
find ab +bc+co.​

Answer 1

Step-by-step explanation:

( a+ b + c) 2 = a2 + b2 + c2 + 2 ( ab + bc + ac)

ab + bc + ac = --20 / 2 = -10 please mark as brainlliest