Question

racionalize:
a) 3√3
√7

Answer 1

Explicação passo-a-passo:

$\dfrac{3 \sqrt{3} }{ \sqrt{7} }$

$\dfrac{3 \sqrt{3} }{ \sqrt{7} } \times \dfrac{ \sqrt{7} }{ \sqrt{7} }$

$\dfrac{3 \sqrt{3} \sqrt{7} }{ \sqrt{7} \sqrt{7} }$

$\dfrac{3 \sqrt{21} }{ \sqrt{49} }$

$\dfrac{3 \sqrt{21} }{7}$

Answer 2

Explicação passo-a-passo:

3|/3

|/7

3|/3×|/7

|/7×|/7

3|/21

7