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tinasuco96


Chứng minh các BDT sau:
a, Cho x, y, z >0 CMR: 16xyz(x+y+z) \leq 3. [TEX]\sqrt[3]{(x+y)^4(z+x)^4(y+z)^4}[/TEX]
b, tìm Min y biết : y= [TEX]x^2[/TEX] + [TEX]\frac{2}{x^3}[/TEX](x> 0)
a, Cho x, y, z >0 CMR: 16xyz(x+y+z) \leq 3. [TEX]\sqrt[3]{(x+y)^4(z+x)^4(y+z)^4}[/TEX]
b, tìm Min y biết : y= [TEX]x^2[/TEX] + [TEX]\frac{2}{x^3}[/TEX](x> 0)
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