Question

1. Which one of the following numbers is not rational?
a. --
2/5
b.2.
d. None
C. 2​

Answer 1

Answer:

=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, optio