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

Transcript

Are all Decimal Expansions Fractions? No What about 𝝅? 𝝅 = 3.1415926535897932384626433832795… Hence, There are 3 types of Decimal Expansion Terminating Non-Terminating Repeating Non-Terminating Non-Repeating Can be written in fraction So, Rational Number Cannot be written in fraction So, Irrational Number To Summarise Decimal Expansion Terminating Non-Terminating Non-Terminating Repeating Non-Terminating Non-Repeating Rational Irrational

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
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.