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4. Given the Ecryption code R = f(S) = (3S+5) (mod 26), find the decryption code ( i.e. %3D find integers a and b) such that S=f' (R) = (aS +b) ( mod 26).

4. Given the Ecryption code R = f(S) = (3S+5) (mod 26), find the decryption code ( i.e. %3D find integers a and b) such that S=f' (R) = (aS +b) ( mod 26).

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 50RE
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4. Given the Ecryption code R = f(S) = (3S+5) (mod 26), find the decryption code ( i.e. %3D find integers a and b) such that S=f' (R) = (aS +b) ( mod 26).
Transcribed Image Text:4. Given the Ecryption code R = f(S) = (3S+5) (mod 26), find the decryption code ( i.e. %3D find integers a and b) such that S=f' (R) = (aS +b) ( mod 26).
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