Suppose the message IZFORVKGRWVXMJJMUBLOVGXHOKE is intercepted and the following is known about it: a. the first three letters of the hidden message are DEM and the last three are LES b. the key matrix is ​​of the form (image) c. The determinant of the key matrix is ​​1 From the information: Write a system of equations that allows you to find the unknowns a, b, c and using the key matrix decrypt the hidden message.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Suppose the message IZFORVKGRWVXMJJMUBLOVGXHOKE is intercepted and the following is known about it:

a. the first three letters of the hidden message are DEM and the last three are LES
b. the key matrix is ​​of the form (image)
c. The determinant of the key matrix is ​​1

From the information:
Write a system of equations that allows you to find the unknowns a, b, c and using the key matrix decrypt the hidden message.
 
 
 
 
 
a
b
-2
1
-1
-1
1.
Transcribed Image Text:a b -2 1 -1 -1 1.
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