Slide20.JPG

Slide21.JPG

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

Transcript

If 𝑎 and 𝑏 are rational numbers and (√11 − √7)/(√11 + √7) = a – b√77, find the value of 𝑎 and 𝑏 = 9/2−1/2 √77 Comparing with 𝑎−𝑏√77 Hence, a = 𝟗/𝟐 and b = 𝟏/𝟐

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.