Question

determine no cadernos o valor de cada expressão com raízes
f) 2.✓2.✓18

Answer 1

2\/2.\/18
= 2.\/2.\/2.\/9
= 2.2.3
= 4.3
= 12

Answer 2

Resposta:

12

$2. \sqrt{2}. \sqrt{18} = \\ 2 \times \sqrt{2} \times \sqrt{18} \\ \sqrt{18} \\ \sqrt{9 \times 2} \\ \sqrt{3 {}^{2} } \times 2 \\ \sqrt{3 {}^{2} } \sqrt{2} \\ 3 \sqrt{2} \\ 2 \times \sqrt{2} \times \sqrt{18} \\ 2 \sqrt{2} \times 3 \sqrt{2} \\ 2 \times 2 \times3 \\ 4 \times 3 \\ 12 \\ 2 \times 2 \times 3 \\ 12 \\ resposta \\ 12$