GTNN
CM: $\forall x
$ ta có
$\sqrt{2x^{2}-2x+1}+\sqrt[]{2x^{2}-(\sqrt{3}-1)x+1}+\sqrt{2x^{2}+(\sqrt{3}+1)x+1}\geq 3$
GTLN, GTNN
GTNN
CM: $\forall x ta có \sqrt{2x^{2}-2x+1}+\sqrt[
n]{2x^{2}-(\sqrt{3}-1)x+1}+\sqrt{2x^{2}+(\sqrt{3}+1)x+1}\geq 3$
GTLN, GTNN
GTNN
CM: $\forall x
$ ta có
$\sqrt{2x^{2}-2x+1}+\sqrt[]{2x^{2}-(\sqrt{3}-1)x+1}+\sqrt{2x^{2}+(\sqrt{3}+1)x+1}\geq 3$
GTLN, GTNN