Ex 1.5,5 - Rationalize denominators (i) 1 / root 7 - Ex 1.5

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

Transcript

Ex1.5, 5 Rationalize the denominators of the following: (i) 1/√7 We need to rationalize i.e. remove root from denominator Hence multiplying and dividing by √7 1/√7 = 1/√7 ×√7/√7 = √7/(√7)2 = √7/7

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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.