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Ex 1.1, 2 - Chapter 1 Class 9 Number Systems
Last updated at Dec. 13, 2024 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, 2 Find six rational numbers between 3 and 4. As we have to find 6 rational numbers, we multiply the numbers by 7/7. 3 = 3 7/7 & 4 = 4 7/7 Thus ,6 Rational numbers between 3 & 4 (i.e.21/7 & 28/7) are 22/7 , 23/7, 24/7, 25/7, 26/7, 27/7
