Упростите: 1)[latex] 3\sqrt{8a}-\sqrt{2a ^{3} }+ \sqrt{\frac{a}{2}}+a \sqrt{2a} [/latex] 2)[latex] \frac{1} \sqrt{x}}+ \frac{1}{x}- \frac{ \sqrt{x} }{x}- \frac{1}{ \sqrt{x ^{2} } }+( \sqrt{x} )^{2} [/latex]