Applicare la formula: $\frac{a}{b}\frac{c}{f}$$=\frac{ac}{bf}$, dove $a=2$, $b=\sqrt{2}ab$, $c=6$, $a/b=\frac{2}{\sqrt{2}ab}$, $f=5\sqrt[3]{98}$, $c/f=\frac{6}{5\sqrt[3]{98}}$ e $a/bc/f=\frac{6}{5\sqrt[3]{98}}\frac{2}{\sqrt{2}ab}$

Applicare la formula: $ab$$=ab$, dove $ab=2\cdot 6$, $a=2$ e $b=6$