NCERT Solutions, Class 9 Maths Chapter 1 Number Systems: Exercise 1.5, answered for the NCERT Class 9 textbook.
Exercise 1.5 Class 9 Maths Chapter 1 Number Systems
1. Classify the following numbers as rational or irrational:
2. Simplify each of the following expressions:
3. Recall, ╧А is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is, ╧А = c/d. This seems to contradict the fact that ╧А is irrational. How will you resolve this contradiction?
4. Represent тИЪ9.3 on the number line.
5. Rationalise the denominators of the following:
