Odpowiedź:
[tex]9) {(2 \sqrt{3} )}^{2} = \\ = 4 \times 3 = 12( < 15) \\ \\ {(2 \sqrt{2} \times 4 \sqrt{2} ) }^{2} = \\ = 4 \times 2 \times 16 \times 2 = \\ = 256( > 15) \\ \\ \frac{4 \sqrt{18} }{ \sqrt{2} } = \frac{4 \times 3 \sqrt{2} }{1 \sqrt{2} } = \\ = \frac{12 \sqrt{2} }{ \sqrt{2} } = 12( < 15)[/tex]
Odp. D
[tex]10) a = { ( - 3)}^{12} > 0 \\ b = {( - 3)}^{11} < 0 \\c = {3}^{10} > 0 \\ \\ a > c > b[/tex]
Odp. D
[tex]11) \sqrt[3]{64 \times 81} = \\ = \sqrt[3]{ {4}^{3} \times {3}^{4} } = \\ = \sqrt[3]{ {4}^{3} } \times \sqrt[3]{ {3}^{3} \times 3 } = \\ = 4 \times 3 \times \sqrt[3]{3} = \\ = 12 \sqrt[3]{3} [/tex]
Odp. D
[tex]12)2 \times {2}^{4} \times {2}^{12} = \\ = {2}^{1 + 4 + 12} = \\ = {2}^{17} [/tex]
Odp. B
