Question

(4 - $\sqrt{2}$) (4 + $\sqrt{2}$) is irrational ; State true or false

• A. True
• B. False

Answer 1

The correct option is B

False

Given
(4 - $\sqrt{2}$) (4 + $\sqrt{2}$)
= $\left(4^2\right)-(\sqrt{2}$)
= 16 - 2
= 14 ; which is rational

Hence the given statement is false