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प्रश्न
Find x and y, if `[(4, 3x),(x, -2)][(5), (1)] = [(y),(8)]`
उत्तर
`[(4, 3x),(x, -2)][(5), (1)] = [(y),(8)]`
`[(20 + 3x),(5x - 2)] = [(y), (8)]`
Comparing the corresponding elements, we get,
5x – 2 = 8 `=>` x = 2
20 + 3x = y `=>` y = 20 + 6 = 26
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