Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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14- The following message has been encrypted using the Caesar cipher with key 22:
ΥΗΚΟΑ PDA ZKΚN. Decrypt it.
15- Prove that for every positive integer n :
1·2· 3 + 2·3· 4+. . +n(n + 1)(n + 2) = n(n + 1)(n + 2)(n + 3)/4
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Transcribed Image Text:14- The following message has been encrypted using the Caesar cipher with key 22: ΥΗΚΟΑ PDA ZKΚN. Decrypt it. 15- Prove that for every positive integer n : 1·2· 3 + 2·3· 4+. . +n(n + 1)(n + 2) = n(n + 1)(n + 2)(n + 3)/4
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