👉 Irrationality is a mathematical concept in which a number cannot be expressed as a simple fraction or decimal, but can only be represented by an infinite series. In other words, it is a type of non-terminating and non-repeating decimal. For example, 2, 3, 7, 15, 28, ... are all irrational numbers because they do not have a finite number of digits after the decimal point. Similarly, π (pi) is an
