Question

Choose the correct answer from the given choice
a) Which of the following is not a rational number

2-0​

Answer 1

Step-by-step explanation:

Correct option is

A

2

2

=1.4142135623730951....

4

=

2×2

=2

9

=

3×3

=3

16

=

4×4

=4

As we can see the decimal representation of

2

is non-terminating non-repeating.

Hence,

2

is an irrational number.

Therefore, option A is correct