1. For the matrix: A-3 0 What is a12? What is a31? 2. Find x and y if [2 x+y] 3. Find x, y, z, and w if 2- 314 x +y 2x -3y 4. If A is a symmetric matrix, find u, v, and w: 2 W Show transcribed image text 1. For the matrix: A-3 0 What is a12? What is
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