Question

classify root 20 upon root 5 is a rational or irrational number ​

Answer 1

Step-by-step explanation:

Root 20/5 is also irrational as it is not a perfect square. 0.326 is rational as it can be expressed as 326/10000

Answer 2

Answer :

IRRATIONAL NUMBER

Explanation :

$\frac{20}{\sqrt{5} }$ On rationalising we get,

$\frac{20}{\sqrt{5} }$ * $\frac{\sqrt{5} }{\sqrt{5} }$ =$\frac{20\sqrt{5} }{5}$ which is again an irrational number

Hence $\frac{20}{\sqrt{5} }$ is an irrational number as

rational/irrational = irrational number

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