Question

-radical2 înmulțit (radical 4intreg si 1 pe 2)=​

Answer 1

$- \sqrt{2} \times ( \sqrt{4 \frac{1}{2}) } = \\ - \sqrt{2} \times \sqrt{ \frac{4 \times 2 + 1}{2}} = \\ - \sqrt{2} \times \sqrt{ \frac{9}{2} } = \\ \frac{ - \sqrt{2} }{1} \times \frac{ \sqrt{9} }{ \sqrt{2} } = \\ - \sqrt{9} = \\ = - 3$

Answer 2

Răspuns: - 3

$\displaystyle = \ - \sqrt{2} \ \cdot \ \sqrt{\frac{4 \ \cdot \ 2 \ + 1}{2} } \ = \ - \ \sqrt{2} \ \cdot \ \sqrt{\frac{9}{2} } \ = \ - \ \sqrt{2} \ \cdot \ \frac{3}{\sqrt{2} } \ = \ - \ 3$