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I need the encrypted message in this matrix​. also the alphabetical key

I Need The Encrypted Message In This Matrix Also The Alphabetical Key class=

Sagot :

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A = [ -1, 2, -3, 4]

B = [ -2, 3, -2, 4]

C = [ 3, -4, -2, 4]