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Let a, b, c>0, a+b+c=15. The least value of E=a3a2+ab+b2+b3b2+bc+c2+c3c2+ca+a2 is___

Answer»

Let a, b, c>0, a+b+c=15.
The least value of E=a3a2+ab+b2+b3b2+bc+c2+c3c2+ca+a2 is___



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