Hello there, can you help me solve a problem? Thanks! Using row reduction, find the inverse of the 4 x 4 matrix: 1 0 0 1 0 1 2 1 1 2 1 2 0 0 1 1 (It contains fractions with denominator 2 and please show all work.) Thanks!

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Q: Please show all work and explain any concepts needed to solve the problem so I can understand

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A: Step 1: Step 2: Step 3: Step 4:

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Q: x+y+z=9 -x-3y+2z=10 2x+z=9

A: Given: x+y+z=9-x-3y+2z=102x+z=9 This can be written as: 111-1-32201xyz=9109 The augmented matrix is:…