Chapter 4 (Linear Equations in Two Variables) of Class 9 Maths NCERT Book can be downloaded from here in PDF format. Get the latest edition of the chapter along with the best-explained NCERT ...

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CBSE Class 9 Maths Extra Questions and Answers for Chapter 4 Linear Equations In Two Variables - Practice these important questions to obtain desired marks in exams in 2020-2021.

A linear relationship (or linear association) is a statistical term used to describe the directly proportional relationship between a variable and a constant.

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