hasil dari √20÷√28 a.√7 b.√5 c.1/5 √35 d.1/7 √35

[tex] \sqrt{20} \div \sqrt{28} \\ = \sqrt{ \frac{20}{28} } \\ = \sqrt{ \frac{5}{7} } \\ = \frac{ \sqrt{5} }{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} } \\ = \frac{ \sqrt{35} }{7} \\ = \frac{1}{7} \times \sqrt{35} (d)[/tex]