You are here
Ex 1.1, 1 - Chapter 1 Class 9 Number Systems
Last updated at August 13, 2026 by Teachoo
Chapter 1 Class 9 Number Systems
Concept wise
-
Rational numbers - Definition
- Finding rational number between two numbers
- Irrational Numbers
- Simplifying real numbers
- Rationalising
- Laws of exponents
- Finding decimal expansion
- Expressing decimal in p/q
- Classifiying rational/irrational
- Finding irrational numbers b/w two numbers
- Real numbers on a number line
Transcript
Ex 1.1, 1 Is zero a rational number? Can you write it in the form ๐/๐, where p and q are integers and q โ 0.Yes, 0 is a rational number. And, 0 can be written as 0=0/1 0=0/(โ1) 0=0/2 โฆ etc Hence, it can be written in ๐/๐ form, where q โ 0.
