Question

If a + b + c = 0, then the value of a^2+b^2+c^2/
(bc + ca + ab)
is​

Answer 1

Answer:

-2

Step-by-step explanation:

(a+b+c)^2=(0)^2

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

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

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