How many total ways can we form a 2-letter password or a 4-letter password using the letters from the set {a, b, c, d}? са a 258 b 256 4,906 d. none of the above
How many total ways can we form a 2-letter password or a 4-letter password using the letters from the set {a, b, c, d}? са a 258 b 256 4,906 d. none of the above
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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Transcribed Image Text:How many total ways can we form a 2-letter password or a 4-letter password using the letters from the set {a, b, c, d}?
a
258
256
4,906
d.
none of the above
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