Ex 1.5,5 - Chapter 1 Class 9 Number Systems - Part 3

Advertisement

Advertisement

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

Transcript

Ex 1.5, 5 Rationalize the denominators of the following: (iii) 1/(√5 + √2) 1/(√5 + √2) = 1/(√5 + √2) × (√5 − √2)/(√5 − √2) = (√5 − √2)/((√5)2 − (√2)2) = (√5 − √2)/(5 − 2) = (√5 − √2)/3

About the Author

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