Question

introduceti factorul sub radical:a)2 supra 3 √27

Answer 1

3 rad27 = rad(27 + 3 la a 2a)= rad36=6
2/6 = 1/3

Answer 2

$\frac{2}{ 3\sqrt{27} }$= $\frac{2}{ \sqrt{27*3 ^2} }$=$\frac{2}{71}$
in a doua fractie am simplificat radicalul cu 2 de la 3 la 2