Question

which of the following is not a rational numbers √5 1\2 0.2 √9​

Answer 1

Answer:

√5 is not a rational number.

Step-by-step explanation:

√5 is not a rational number.

A number which can be written in the form of $\frac{p}{q}$ called a Rational Number.

√5 can not be written in the form of  $\frac{p}{q}$ form so it is not a Rational Number.

                              $\frac{p}{q}$  form = $\frac{1}{2} , 0.2= \frac{2}{10}, \sqrt{9} = 3 = \frac{3}{1}$

Hope you will understand.....

Answer 2

root 5 is irrational meanint not rational

root 5 is irrational meanint not rationalStep-by-step explanation:

1/2 can be represented in the form of p/q and hence rational

0.2 = 2/10 hence rational

root 9 = 3 and rational

Hope it helped

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