Question

what is irrational number?

Answer 1

A number that cannot be exactly expressed as a ratio of two integers.

Answer 2

Hello friend,
Here's your answer:

Actually, Rational numbers belongs to the set of Integers.

Rational numbers are those numbers which can be written in the form of p/q.
Where, p and q belongs to Integers and q is not equal to 0.

Irrational numbers are just oppsite of rational numbers. They can't be written in p/q form.
There is only one type of irrational numbers.
2) Non terminating
Like √x where x belongs to Integers.

Hope my answer helps you.