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a) Find the inverse of the matrix A = A-1 4 12 35 -2 -5 -15 1 3 (b) Use the answer from part

a) Find the inverse of the matrix A = A-1 4 12 35 -2 -5 -15 1 3 (b) Use the answer from part (a) to solve the linear system 5 5x2 - 15x3 -4 4x1 +12x2 + 35x3 -2x1 21 + 22 23 3x2 + 9x3

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