Ex 1.5,1 - Chapter 1 Class 9 Number Systems - Part 5



  1. Chapter 1 Class 9 Number Systems (Term 1)
  2. Serial order wise


Ex1.5, 1 Classify the following numbers as rational or irrational: (v) 2𝛑 2 is rational 𝛑 = 3.1415 . which is non- terminating non-repeating is an irrational number We know that Rational x Irrational = Irrational Thus, 2𝛑 is an irrational number

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.