Question: given two matrices: ( 1 0 points ) m = ( 1 2 1 1 ) , n = ( - 1 2 1 -

given two matrices: (10 points)
m=(1211), n =(-121-1)
(a). verify multiplication of m x n mod 26= n x m mod 26= i (identify matrix)
(b). Use Hill cipher to encrypt the message TESTS

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