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For what real value of y will matrix A be equal to matrix B, whereâ€‹a)1, 3b)No real valuec)1/3, 1/2d)2 and 3Correct answer is option 'c'. Can you explain this answer?
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In first case y has two value 3 and 1 in second case y has another pair of numbers 1/3 and 1/2 . This is the reason it the matrix is not valid.

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