Question

Comparati numerele fara a extrage radicalul: repede plizzz

Answer 1

a)

$\sqrt{8} \text{si} 3$

$3=\sqrt{9}$
$\sqrt{8}<\sqrt{9}$

Deci, $\sqrt{8} < 3$


b)$9 \text{si} \sqrt{90}$

$9=\sqrt{81}$
$\sqrt{81}<\sqrt{90}$

Deci, $9 < \sqrt{90}$


c)$3,4 \text{si} \sqrt{10}$

$3,4=\sqrt{11,56}$
$\sqrt{11,56}>\sqrt{10}$

Deci, $3,4 > \sqrt{10}$



d)
$\sqrt{19} \text{si} 4,5$

$4,5=\sqrt{20,25}$
$\sqrt{19}<\sqrt{20,25}$

Deci, $\sqrt{19} < 4,5$


e) $\sqrt{39} \text{si} 6,2$

$6,2=\sqrt{38,44}$
$\sqrt{39}>\sqrt{38,44}$

Deci, $\sqrt{39} >6,2$