Cho x, y, z>0. CM bất đẳng thức:

Question

Cho x, y, z>0. CMR:

\({{\sqrt{xy}\over 1+\sqrt{yz} }+{1\over {\sqrt{xy}+\sqrt{yz}}} +{\sqrt {2.\sqrt{yz}\over 1+\sqrt{xy}} }}\geq 2\)