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प्रश्न
Find x and y, if `((x,3x),(y, 4y))((2),(1)) = ((5),(12))`.
उत्तर
On multiplying L.H.S., matrices, we get `((5x),(6y))` which is equal to R.H.S., matrix, evaluate their corresponding elements to get the values of x and y.
Hence, x = 1, y = 2.
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