Question

1. (4 pts)Let The message shown on the next page was encoded with matrix B. You need to decode the message with the aid of your graphing calculator since matrix B is a large matrix, no row operations should be done for this problem. Follow these steps: enter two appropriate matrices in your calculator, you need to determine which ones, explain which ones you used » find the inverse matrix of B multiply two appropriate matrices, you need to determine which ones, ·write down the final matrix you obtain, decode the last matrix by making a corresponding between the numbers 1 - 26 and the letters A through Z. The message is 85 74 27 109 31 27 13 40 139 73 58 154 61 70 18 93 69 59 23 87 18 13 9 22

Answer 1

S3 39 189 2 0 -1 23 0 0 2.3 61 69 18 10 59 13 18 2> 9 2018 0 M N 7-15 ig 1.0 ,1 22 23 24 2524 1 RAW HIETO WALTER REED Scarned with CS CamScanner