If numbers such as\( \sqrt4 = 2, \sqrt9 = 3\) are considered, Then here, 2 and 3 are rational numbers.
Thus, the square roots of all positive integers are not irrational.
Prove that $7\sqrt{5}$ is an irrational number.
Prove that $6\sqrt{3}$ is irrational.
Section | Number of girls per thousand boys |
|---|---|
Scheduled Caste (SC) | 940 |
Scheduled Tribe (ST) | 970 |
Non-SC/ST | 920 |
Backward districts | 950 |
Non-backward districts | 920 |
Rural | 930 |
Urban | 910 |
(i) Represent the information above by a bar graph.
(ii) In the classroom discuss what conclusions can be arrived at from the graph.
