Question

If √2×√8 a rational or irrational?Justify.​

Answer 1

Step-by-step explanation:

When two or more terms have same roots then we can simply multiply them. Here our result is a rational number i.e. 4 which can be expressed in p / q form where q ≠ 0. Hence, √2 * √8 is also a rational number.

Answer 2

Answer:

it's rational

Step-by-step explanation:

$\sqrt{2} \times \ \sqrt{8}$

$= \sqrt{2} \times 2 \sqrt{2}$

$= 2 \times 2$

$= 4$