Rasionalkan pecahan 7 per 2√3

[tex] \frac{7}{2 \sqrt{3} }X \frac{ \sqrt{3} }{ \sqrt{3} } = \frac{7 \sqrt{3} }{2 . 3} = \frac{7 \sqrt{3} }{6} [/tex]

7/2√3*2√3/2√3=14√3/12=7√3/6