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Ex 1.2,2 - 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 1.2, 2 Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number. No, Example Taking positive integer 4 4 = 2 2 is a rational number
