Question: Please solve with steps N 1. Let A be the following 3 x 3 matrix: A = 1 -2 2 1 (a Find A-1. (b)

Please solve with steps

N 1. Let A be the following 3 x 3 matrix: A = 1 -2 2 1 (a Find A-1. (b) Find (AT)-1 (c) Find the determinant of the matrix 2A-1AT. 2x - y- z-7=0 (d) Solve the system: x + 2y - 22 - 13 = 0 . 2x + 3y + 2 -9=0

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