1. A matrix by any other name¹ Two matrices are row equivalent if one matrix can be changed into another matrix by a series of elementary row operations. (a) Are the following matrices row-equivalent? 3 0 0 2 5-7 2 3 M₁ = 63 32 , M₂ = 3 3 5 4 2 -13 12 7 9 5 -7 -3

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