Question: How do I do this using excel? Activity 2 (Design your own substitution cipher) Use the criteria indicated to create a pair of 3 x

How do I do this using excel?
Activity 2 (Design your own substitution cipher) Use the criteria indicated to create a pair of 3 x 3 matrices ( D & D), where the entries (6 marks) of the matrix D are all integers. d.1 = 5 d3,2 = -2 (a) (i) (ii)
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