Question

is root 2 × root 8 a rational or irrational ? justify
​

Answer 1

Answer:

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:

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.

hope it helpful to you.......