Learn All Concepts of Chapter 1 Class 9 - FREE. Check - Chapter 1 Class 9 Maths


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Numbers which are on number line are called real numbers.

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It includes positive numbers, negative numbers, 0, rational numbers, irrational numbers.

Eg:  -2, 0, 3, 2/3, π, √2, 1/2,………

  1. Chapter 1 Class 9 Number Systems
  2. Concept wise

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.