Question: In Exercises 7778, use a coding matrix A of your choice. Use a graphing utility to find the multiplicative inverse of your coding matrix. Write

In Exercises 77–78, use a coding matrix A of your choice. Use a graphing utility to find the multiplicative inverse of your coding matrix. Write a cryptogram for each message. Check your result by decoding the cryptogram. Use your graphing utility to perform all necessary matrix multiplications. 1 T_ 18 20 0 5 14 18 9 3 8 ENRICHES

1 T_ 18 20 0 5 14 18 9 3 8 ENRICHES 5 19

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College Algebra 7th Edition by Robert F Blitzer