

Cho a,b,c >0
Tìm minP: P = [tex](a + \frac{3c}{a} + 2b +c)+ ( \frac{4b}{a} + b + 2c )+ (\frac{8c}{a} + b + 3c )[/tex]
Tìm minP: P = [tex](a + \frac{3c}{a} + 2b +c)+ ( \frac{4b}{a} + b + 2c )+ (\frac{8c}{a} + b + 3c )[/tex]
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