Click here to read the complete problem statement.
first of all derive
a^2bc+ca = ab^2c+ab = abc^2+bc
then take each two equations
a^2bc+ca =ab^2c+ab
=>abc(a-b) = a(b-c)
=>bc = (b-c)/(a-b)
=>ab = (a-b)/(b-c)
=>ca = (c-a)/(b-c)
then try it
Click here to read the complete problem statement.
first of all derive
a^2bc+ca = ab^2c+ab = abc^2+bc
then take each two equations
a^2bc+ca =ab^2c+ab
=>abc(a-b) = a(b-c)
=>bc = (b-c)/(a-b)
=>ab = (a-b)/(b-c)
=>ca = (c-a)/(b-c)
then try it