Answer :


To find: - x , y


Given set of lines are : -


x + 2y = 1


3x + y = 4


Converting the following equations in matrix form,


AX = B



R2 – 3R1



Again converting into equation form, we get


x + 2y = 1


- 5y = 1


Y =


x + 2 = 1


x + = 1


x = 1 +


X =


x = , y =


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