Question: 5. Afline cryptosystem is idempotent. Alice encrypted a message using the key Ki (3,6) and then encrypted it again using the key K2 (15,10). Find

5. Afline cryptosystem is idempotent. Alice encrypted a message using the key Ki (3,6) and then encrypted it again using the key K2 (15,10). Find the key K (a,b) such that ex(x) = ex,lex ()

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