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2. (a) Determine if the matrix A below is invertible. If it is, find its inverse. -1 0 1 A = 1 1 0

2. (a) Determine if the matrix A below is invertible. If it is, find its inverse. -1 0 1 A = 1 1 0 31-1 (b) Determine if the matrix B below is invertible. If it is, find its inverse. -i i 0 1-1-4i i i 3 B 2 0 - (c) Find all (2, 2)-matrices C such that -1 (CT-3 [ =

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