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Ex 1.1, 1 - Chapter 1 Class 9 Number Systems
Last updated at August 5, 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 š/š, where p and q are integers and q ā 0.Yes, 0 is a rational number. And, 0 can be written as 0=0/1 0=0/(ā1) 0=0/2 ā¦ etc Hence, it can be written in š/š form, where q ā 0.
