Question

Introduceti factorul sub radical:
1. $\frac{1}{3} \sqrt{27}$
2. $-5\sqrt{0,2}$
3. $-2\sqrt{\frac{1}{8} }$
Ajutor Urgent!!!!

Answer 1

Răspuns:

$\frac{1}{3} \sqrt{27} =\sqrt{\frac{1}{9} \cdot27} =\sqrt{3} \\ \\ -5\sqrt{0,2} =-\sqrt{25\cdot0,2} =-\sqrt{5} \\ \\ -2\sqrt{\frac{1}{8} } =-\sqrt{4\cdot\frac{1}{8} } =-\sqrt{\frac{1}{2} } =-\sqrt{0,5}$

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