NCERT Solutions for Class 9 Maths Chapter 4
Important NCERT Questions
Linear equations in two variables
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 4.2
Page No:70
Questions No: 3 Part:4
Check which of the following are solutions of the equation x – 2y = 4 and which are not: ( √2, 4√2)
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(v) (1,1)
Given equation: x – 2y = 4
In x – 2y = 4, putting x = 1 and y = 1, we have, 1 – 2 × 1 = -1 ≠ 4
Hence, (1, 1) is not a solution of the equation.
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