Question

denominador de expressões
6
√3 =

2
3√5


3
2√3

Answer 1

$\dfrac{6}{ \sqrt{3} } \\ \\ \\ \dfrac{6. \sqrt{3}}{ \sqrt{3} .\sqrt{3} } \\ \\ \\ \dfrac{6. \sqrt{3}}{ (\sqrt{3})^2 } \\ \\ \\ \dfrac{6. \sqrt{3}}{ 3 } \\ \\ \\ =\ \textgreater \ 2 \sqrt{3}$

===

$\dfrac{2}{ 3\sqrt{5} } \\ \\ \\ \dfrac{2. 3\sqrt{5}}{ 3\sqrt{5} .3\sqrt{5} } \\ \\ \\ \dfrac{2. 3\sqrt{5}}{ (3\sqrt{5})^2 } \\ \\ \\ \dfrac{6. \sqrt{5}}{3^2.5 } \\ \\ \\ \dfrac{6. \sqrt{5}}{45} \\ \\ \\ =\ \textgreater \ \dfrac{2 \sqrt{5}}{15}$

===

$\dfrac{2}{2 \sqrt{3} } \\ \\ \\ \dfrac{2.2\sqrt{3}}{2\sqrt{3} . 2\sqrt{3}} \\ \\ \\ \dfrac{4\sqrt{3}}{(2\sqrt{3})^2} \\ \\ \\ \dfrac{4\sqrt{3}}{2^2 .3} \\ \\ \\ \dfrac{4\sqrt{3}}{12} \\ \\ \\ =\ \textgreater \ \dfrac{\sqrt{3}}{3}$