Question

if a+b+c=0 then a³+b³+c³ is what ?​

Answer 1

A³ + b³ + c³ - 3abc = (a + b + c)(a² + b² + c² - ab - bc - ca) 

when, 

a + b + c = 0

a³ + b³ + c³ - 3abc = 0 

a³ + b³ + c³ = 3abc

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