Question

Which of the following are rational number or irrational number ​

Answer 1

Answer:

it's rational

Step-by-step explanation:

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

(4)^2 - root2 square

16 -2

=14

which is rational

Answer 2

Answer:

the above expression is rational number....

Step-by-step explanation:

as we have, ( 4-√2) (4+√2)

by using (a^2-b^2)= (A+b)(a-b)

»{4^2-(√2)^2}= 16-2=14

14, that is a rational number....

• hope this will help you out