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nbk_eayong94


CM:BDT: [tex] a^4 + b^4 + c^4 + 1 \geq 2a(ab^2 - a + c + 1) [/tex]
[tex] a^3 + \frac{b^2}{2} \geq (\frac{a+b}{3})^3 (a+b \geq 0) [/tex]
[tex] a^3 + \frac{b^2}{2} \geq (\frac{a+b}{3})^3 (a+b \geq 0) [/tex]
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