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प्रश्न
Solve the equation x + y = 4 and 2x - y = 5 using the method of reduction.
बेरीज
उत्तर
The given equation can be considered in the matrix equation as
AX = B
i.e `[(1,1), (2,-1)] [(x),(y)] = [(4),(5)]`
Apply R2 - 2R1
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