Question

Extrageti rădăcina pătrată:
$\sqrt{28.(4)}$
$\sqrt{2.(7)}$

Answer 1

$\sqrt[]{28,(4)} =\sqrt{28+4/9} =\sqrt{\frac{256}{9} } =\frac{16}{3}=5,(3)$

$\sqrt{2,(7)} =\sqrt{2+\frac{7}{9} }=\sqrt{\frac{25}{9} }=\frac{5}{3}=1,(6)$