BDT SAP THI ROI
a,b,c>0$a^{2}+b^{2}+c^{2}
= 12$tìm min$P=\frac{1}{\sqrt{a^{3}+1}}+\frac{1}{\sqrt{b^{3}+1}}+\frac{1}{\sqrt{c^{3}+1}}$
GTLN, GTNN
BDT SAP THI ROI
a,b,c>0$a^{2}+b^{2}+c^{2}
\geq 12$tìm min$P=\frac{1}{\sqrt{a^{3}+1}}+\frac{1}{\sqrt{b^{3}+1}}+\frac{1}{\sqrt{c^{3}+1}}$
GTLN, GTNN
BDT SAP THI ROI
a,b,c>0$a^{2}+b^{2}+c^{2}
= 12$tìm min$P=\frac{1}{\sqrt{a^{3}+1}}+\frac{1}{\sqrt{b^{3}+1}}+\frac{1}{\sqrt{c^{3}+1}}$
GTLN, GTNN