Mathematics 9th - Exercise 1.1 REAL AND COMPLEX NUMBERS

Mathematics 9th - Exercise 1.1 REAL AND COMPLEX NUMBERS

1. Identify the following numbers as rational and irrational numbers and also write each one in separate column.

(i) $\frac{1}{5}$
Solution:
$\frac{1}{5} = 0.2$ = Rational Number

(ii) $\frac{\sqrt{2}}{8}$​

Solution:
$\frac{\sqrt{2}}{8}=\frac{1.41421}{8}=0.176776$  Irrational Number

(iii) $\frac{5}{\sqrt{6}}$
Solution:
$\frac{5}{\sqrt{6}}=\frac{5}{2.4494}=2.041316$  Irrational Number