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Question
Given `[(2, 1),(-3, 4)] X = [(7), (6)]` write the order of matrix x
Solution
Let the order of matrix x be `a xx b`
`:. [(2, 1),(-3, 4)]_(2 xx 2) xx X_(a xx b) = [(7),(6)]_(2 xx 1)`
⇒ a = 2 and b =1
∴ The order of the matrix x = a x b = 2 x 1
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