-1 Use the algorithm for finding A to find the inverses of the matrices shown to the right. Let A be the corresponding nxn matrix, and let B be its inverse. Guess the form of B, and then show that AB=I. 1 18 0 0 18 18 0 18 18 18 (Type an integer or simplified fraction for each matrix element.) ...... 18 O 0 18 18 0 18 18 18 and 18 0 0 0 18 18 0 0 18 18 18 0 18 18 18 18

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