Classify each of the following numbers as rational or irrational and give a brief reason:

MATHEMATICS · Multi-part · CBSE · Mathematics · Number Systems · Number Systems

Problem

Classify each of the following numbers as rational or irrational and give a brief reason: (a)

\sqrt{81}+\sqrt{5}

(b)

\dfrac{\sqrt{3}}{\sqrt{12}}

(c)

2-\sqrt{4}