Question

a) Scoate factorii de sub radical:radical 45
b) Introdu factorul sub radical: 5radical3 ​

Answer 1

$\sqrt{45} = 3 \sqrt{5 }$

$5 \sqrt{3} = (5 \sqrt{3} ) {}^{2} = \sqrt{25 \times 3} = \sqrt{75}$