Question

efetue
$\sqrt{4} =$
$\sqrt{100} =$
$\sqrt{25} =$
$\sqrt{ - 1} =$
$\sqrt{0} =$
​

Answer 1

$\sqrt{4} = 2 \\ \sqrt{100} = 10 \\ \sqrt{25} = 5 \\ \sqrt{ - 1 } \: \: n \: existe \\ \sqrt{0} = 0$