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When performing the simple ciphers of the text, we used modular arithmetic in Z26. What would be the corresponding N if we were encrypting

When performing the simple ciphers of the text, we used modular arithmetic in Z26. What would be the 

When performing the simple ciphers of the text, we used modular arithmetic in Z26. What would be the corresponding N if we were encrypting the following. a. letters and digits 0-9 b. uppercase and lowercase alphabetic characters c. uppercase and lowercase alphabetic characters and digits 0-9

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