Question

It's urgent please say this.... ​

Answer 1

Answer:

irrational

Step-by-step explanation:

use (a + b)^2 = a^2 + b^2 + 2ab

(2 + √2)√2 = 4 + 2 + 4√2 = 6 + 4√2

now since...6 + 4√2 is a sum of rational and irrational.....

(2 + √2)√2 is irrational