a) Find all m > 1 such that 27 = 9 (mod m). [1 0 1] b) If A = 0 1 1 is a zero-one matrix, find A AA[2]. |1 0 0 b) Find the inverse of the encrypting function f(x) = (5 – x) mod 26,0 < x< 25, and use it to decrypt the message "ZRQUBFNB".
a) Find all m > 1 such that 27 = 9 (mod m). [1 0 1] b) If A = 0 1 1 is a zero-one matrix, find A AA[2]. |1 0 0 b) Find the inverse of the encrypting function f(x) = (5 – x) mod 26,0 < x< 25, and use it to decrypt the message "ZRQUBFNB".
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.4: Similarity And Diagonalization
Problem 50EQ
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