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let-a-b-c-R-such-that-a-b-c-3-prove-that-a-3-b-3-c-3-a-3-b-b-3-c-c-3-a-




Question Number 162042 by HongKing last updated on 25/Dec/21
let  a;b;c∈R  such that  a+b+c=3  prove that:  a^3  + b^3  + c^3  ≥ a^3 b + b^3 c + c^3 a
leta;b;cRsuchthata+b+c=3provethat:a3+b3+c3a3b+b3c+c3a

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