2. Using inclusion-exclusion find the number of words of length 10 in the letters A,B,C,D that do not have exactly two of any letter.
2. Using inclusion-exclusion find the number of words of length 10 in the letters A,B,C,D that do not have exactly two of any letter.
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
Make sure to include:
(1) The universe set X.
(2) The excluded subsets Ai.
(3) The method used to count the intersections of excluded subsets.
![2. Using inclusion-exclusion find the number of words of length 10 in the letters
A,B,C,D that do not have exactly two of any letter.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fffc06da2-7bd8-42a3-b8a1-3f8b831a8034%2F98378bf9-1709-4fdd-8800-0168440f87bf%2Fkkq28vt_processed.png&w=3840&q=75)
Transcribed Image Text:2. Using inclusion-exclusion find the number of words of length 10 in the letters
A,B,C,D that do not have exactly two of any letter.
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