Chapter 3 Pair of Linear Equations in Two Variables
Page no. 62 Exercise 3.5
Problem 1: Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method.
(i) x - 3y - 3 = 0 3x - 9y - 2 = 0
(ii) 2x + y = 5 3x + 2y = 8
(iii) 3x - 5y = 20 6x - 10y = 40
(iv) x - 3y - 7 = 0 3x - 3y - 15 = 0
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Негізгі бет Which of the following pairs of linear equations has unique solution, no solution, or infinitely....
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