\(\left(\frac{a\sqrt{a}+b\sqrt{b}}{\sqrt{a}+\sqrt{b}}+\frac{a\sqrt{b}-b\sqrt{a}}{\sqrt{a}-\sqrt{b}}\right):\frac{a-b}{\sqrt{a}-\sqrt{b}}\)

\(\frac{a+b-2\sqrt{ab}}{\sqrt{a}-\sqrt{b}}-\frac{a-b}{\sqrt{a}+\sqrt{b}}\)

\(\frac{a+b-2\sqrt{ab}}{\sqrt{a}-\sqrt{b}}\)