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a-b-c-gt-0-ab-ac-bc-1-Prove-that-a-3-a-b-3-b-c-3-c-2-a-b-c-

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Question Number 217872 by hardmath last updated on 22/Mar/25
a , b , c > 0 ab + ac + bc = 1 Prove that: (√(a^3 + a)) + (√(b^3 + b)) + (√(c^3 + c)) ≥ 2 (√(a + b + c))
a,b,c>0ab+ac+bc=1Provethat:a3+a+b3+b+c3+c⩾2a+b+c

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