Question

DAU COROANA REPEDEEE​

Answer 1

Răspuns:

a) $\sqrt{15}$

Explicație pas cu pas:

 $a)\sqrt{15}=3,87\\\\b)3\sqrt{2}=4,24\\c)4=4\\d)2\sqrt{5} =4,47$

Answer 2

Vom introduce factorii sub radical:

$\it a=\sqrt{15}\\ \\ b=3\sqrt2=\sqrt{18}\\ \\ c=4=\sqrt{16}\\ \\ d=2\sqrt5=\sqrt{20}$

$\it \sqrt{15}<\sqrt{16}<\sqrt{18}<\sqrt{20}\\ \\ Cel\ \ mai\ \ mic\ \ este\ \ \sqrt{15}$