Section 2.2 1. Find the inverse of each matrix or determine the matrix is singular. 4 -3] (a) s [1 0 0] (b) 1 1 0 1 1 -3] 2. (a) Find the inverse of 7 (b) Use your answer from (a) to solve the linear system. 4x - 3y = 4 -8.r + 7y = 4 (c) Use your answer from (a) to solve the linear system. 4x - 3y = 0 -8r + 7y = 8 3. Let A, B, and C be n x n invertible matrices. Simplify the expression below as much as possible. (AC-!)-"(BA")"(B-1)".

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