Ex 1.5,5 - Chapter 1 Class 9 Number Systems - Part 2

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

Transcript

Ex1.5, 5 Rationalize the denominators of the following: (ii) 1/(√7 −√6) 1/(√7 −√6) = 1/(√7 − √6) × (√7 + √6)/(√7 + √6) = (√7 + √6)/((√7)2 − (√6)2) = (√7 + √6)/(7 − 6) = (√7 + √6)/1 = √7+√6

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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.