b2 c2af3.If a+b+c 0 then the value o-+--+-is :bc ca ab – InterviewSolution

1.

b2 c2af3.If a+b+c 0 then the value o-+--+-is :bc ca ab

Answer»

When a + b + c = 0then , a³ + b³ + c³ = 3abc .....(1)

Now divide (1) by abc

a³ + b³ + c³ = 3abc ------------------ -------- abc abc

a² b² c²----- + ----- + ------ = 3 bc ac ab

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