Question

The value of √8 × 2√2 is –​

Answer 1

$\sqrt{8} \times 2 \sqrt{2} \\ \\ = \sqrt{2 \times 2 \times 2} \times 2 \sqrt{2} \\ \\ = \sqrt{ {2}^{2} \times 2 } \times 2 \sqrt{2} \\ \\ = 2 \sqrt{2} \times 2 \sqrt{2} \\ \\ = 4 \times ( { \sqrt{2} \: ) }^{2} \\ \\ = 4 \times 2 \\ \\ = 8$