8/√18 dirasionalkan jadi beraa

[tex] \frac{8}{ \sqrt{18} } \\ = \frac{8}{ \sqrt{18} } \times \frac{ \sqrt{18} }{ \sqrt{18} } \\ = \frac{8 \sqrt{18} }{18} \\ = \frac{4}{9} \sqrt{18} [/tex]