Question

if a+b+c=0 and a^2+b^2+c^2=12, then find the value of ab+bc+ca please help me.

Answer 1

it answer is 0 it hope will help you

Answer 2

hey mate here is ur ans
concept used is algebraic identity
use the formula >put the value >make ur subject> get ur ans
see the pic for the sol.
hope it helps you