MathDB
a+b+c=0,then?

Source: Kyrgyzstan national 2016 1-problem

May 10, 2016
algebra

Problem Statement

If a+b+c=0a+b+c=0 ,then find the value of (abc+bca+cab)(bca+cab+abc)(\frac{a}{b-c}+\frac{b}{c-a}+\frac{c}{a-b})(\frac{b-c}{a}+\frac{c-a}{b}+\frac{a-b}{c})