Ex 4.2, 4 - Chapter 4 Class 9 Linear Equations in Two Variables

Last updated at Dec. 16, 2024 by

Ex 4.2, 4 - Find the value of k, if x = 2, y = 1 is a - Ex 4.2 - Ex 4.2

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Ex 4.2, 4 Find the value of k, if x = 2, y = 1 is a solution of the equation 2π‘₯+3𝑦=π‘˜Given πŸπ’™+πŸ‘π’š=π’Œ Since, π‘₯=2 and 𝑦=1 is a solution so it will satisfy its equation Putting π‘₯=2 and 𝑦=1 in (1) 2(𝟐)+3(𝟏)=π‘˜ 4+3=π‘˜ 7=π‘˜ ∴ π’Œ=πŸ• …(1)

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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