Theory of Intelligence
11TH•Mathematics•Complex Numbers•Question 21

Solution

Consider the complex encryption key $k=3-3i$. Encrypt the word "QUIZ", and then recover the original word using the inverse of the key.

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Solution

Use the mapping A=1,…,Z=26A=1,\dots,Z=26.

Word: QUIZ

Q=17, U=21, I=9, Z=26Q=17,\ U=21,\ I=9,\ Z=26

Encryption key:

k=3−3ik=3-3i

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