Question

What is an irrational number?

Answer 1

Irrational number.

• The numbers that cannot be expressed in the form of simple fraction.
• The numbers that cannot be expressed in the form of $\frac{p}{q}$,where $q\ne 0$.
• Irrational number is neither terminating nor recurring.
• For example: $\sqrt{2},\sqrt{7},\sqrt{19}$

Thus, irrational number are the numbers that cannot be expressed in the form of $\frac{p}{q}$,where $q\ne 0$.