Question

racionalize o denominador das fraçoes ​

Answer 1

e)

$\frac{ \sqrt{12} }{ \sqrt{7} } = \frac{2 \sqrt{3} }{ \sqrt{7} } = \frac{2 \sqrt{21} }{7}$

f)

$\sqrt{ \frac{3}{8} } = \frac{ \sqrt{3} }{ \sqrt{8} } = \frac{ \sqrt{3} }{2 \sqrt{2} } = \frac{ \sqrt{6} }{4}$