Question

Ajutati-ma.......Cat mai repede​

Answer 1

$a) \sqrt{6} \times ( - \sqrt{5} )$

$- \sqrt{30}$

$b)( \sqrt{2} ) {}^{3} \times \sqrt{2}$

$\sqrt{2} {}^{4}$

$2 {}^{2}$

$4$

$c) \: \sqrt{128} \div \sqrt{8}$

$\sqrt{16}$

$4$

$d) \: \: 8 \sqrt{50} - \sqrt{288} - 3 \sqrt{98} + 11 \sqrt{2}$

$40 \sqrt{2} - 12 \sqrt{2} - 21 \sqrt{2} + 11 \sqrt{2}$

$18 \sqrt{2}$