Ex 4.2, 3 (iv) - Chapter 4 Class 9 Linear Equations in Two Variables

Last updated at Dec. 16, 2024 by

Slide28.JPG Slide29.JPG

You saved atleast 2 minutes by viewing the ad-free version of this page. Thank you for being a part of Teachoo Black.

Transcript

Ex 4.2, 3 Check which of the following are solutions of the equation 𝑥−2𝑦=4 and which are not: (iv) (√2, 4√2) Given equation 𝑥−2𝑦=4 Putting x = √𝟐 and y = 𝟒√𝟐 in LHS 𝒙−𝟐𝒚 =√2−2(4√2) =√2−8√2 =√2(1−8) =−𝟕√𝟐 ≠4 Since, LHS ≠ RHS Hence, (√2, 4√2) is not a solution

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo