Szczegółowe wyjaśnienie:
[tex] \sqrt{ \frac{36}{5} } \times \sqrt{5} = \sqrt{ \frac{36 \times 5}{5} } = \sqrt{36} = 6[/tex]
zad6.
[tex] \sqrt{121} = \sqrt{11 \times 11} = 11 \\ \sqrt[3]{216} = \sqrt[3]{6 \times 6 \times 6} = 6[/tex]
[tex]9 \sqrt{2} = \sqrt{9 \times 9 \times 2} = \sqrt{162} \\ 5 \sqrt{7} = \sqrt{5 \times 5 \times 7} = \sqrt{175} [/tex]
zad7
[tex] \sqrt{75} = \sqrt{5 \times 5 \times 3} = 5 \sqrt{3} [/tex]
[tex] \sqrt{54} = \sqrt{3 \times 3 \times 6} = 3 \sqrt{6} [/tex]
