Use A-1 to decode the cryptogram. 1 2 2 A = 7 9. -4 -1 14 -2 34 115 -55 21 301 -9 10 70 -8 13 75 -29 -1 121 -8 13 75
Use A-1 to decode the cryptogram. 1 2 2 A = 7 9. -4 -1 14 -2 34 115 -55 21 301 -9 10 70 -8 13 75 -29 -1 121 -8 13 75
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
![**Decode the Cryptogram**
To decode the cryptogram, use the inverse of matrix \( A \).
Given:
\[
A = \begin{bmatrix}
1 & 2 & 2 \\
3 & 7 & 9 \\
-4 & -1 & 14
\end{bmatrix}
\]
The encoded sequence is:
\[
-2, 34, 115, -55, 21, 301, -9, 10, 70, -8, 13, 75, -29, -1, 121, -8, 13, 75
\]
Use matrix \( A^{-1} \) to decrypt the message.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f30608e-bf31-4a49-92e6-e964952b6a83%2F968d2363-78eb-4965-9b7d-0cc1bb4ce553%2F7u8m5ch_processed.png&w=3840&q=75)
Transcribed Image Text:**Decode the Cryptogram**
To decode the cryptogram, use the inverse of matrix \( A \).
Given:
\[
A = \begin{bmatrix}
1 & 2 & 2 \\
3 & 7 & 9 \\
-4 & -1 & 14
\end{bmatrix}
\]
The encoded sequence is:
\[
-2, 34, 115, -55, 21, 301, -9, 10, 70, -8, 13, 75, -29, -1, 121, -8, 13, 75
\]
Use matrix \( A^{-1} \) to decrypt the message.
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