Question

I need help in proving an identity about the Inclusion exclusion principle

score 135 · Answer 1 · 2017-08-28 21:56:54

135

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I need help in proving an identity about the Inclusion exclusion principle

Published on 28 Aug 2017 - 21:56

score 73 · Answer 2 · 2017-09-03 20:02:50

73

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How can I write this in a different ways? $\vert(\bigcup_{i=0}^n Ai)\vert$

Published on 03 Sep 2017 - 20:02

score 252 · Answer 3 · 2017-09-13 06:29:03

252

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Number of permutations of $9$ people of three nationalities in which no two people of the same nationality are adjacent

Published on 13 Sep 2017 - 6:29

score 155 · Answer 4 · 2017-09-13 12:02:42

155

Views

How many permutations of the letters: DREAMORTEAM do not have identical consecutive letters?

Published on 13 Sep 2017 - 12:02

score 129 · Answer 5 · 2017-09-17 23:37:59

129

Views

If an element x of S satisfies exactly r of the t conditions, how many times is x counted in the following expressions?

Published on 17 Sep 2017 - 23:37

score 445 · Answer 6 · 2017-09-18 15:22:24

445

Views

Card Probability using inclusion exclusion

Published on 18 Sep 2017 - 15:22

score 217 · Answer 7 · 2017-09-18 19:13:36

217

Views

Find the number of $n$ husband's placing

Published on 18 Sep 2017 - 19:13

score 2.4k · Answer 8 · 2017-09-22 14:42:01

2.4k

Views

Possible ways of putting 7 balls into 3 boxes

Published on 22 Sep 2017 - 14:42

score 2.8k · Answer 9 · 2017-09-24 09:27:46

2.8k

Views

Inclusion–exclusion principle and permutations / derangements

Published on 24 Sep 2017 - 9:27

score 1.3k · Answer 10 · 2017-10-05 14:34:55

1.3k

Views

How to approach this counting problem?

Published on 05 Oct 2017 - 14:34

score 250 · Answer 11 · 2017-10-05 20:21:55

250

Views

Counting permutations of distinct items with repetition allowed and compulsory inclusion of some items

Published on 05 Oct 2017 - 20:21

score 363 · Answer 12 · 2017-10-13 06:58:27

363

Views

How am I using the inclusion-exclusion principle wrongly?

Published on 13 Oct 2017 - 6:58

score 96 · Answer 13 · 2017-10-16 14:33:39

96

Views

Why does finding the union of these three sets yield a negative number?

Published on 16 Oct 2017 - 14:33

score 49 · Answer 14 · 2017-10-20 08:59:35

49

Views

Inclusion-exclusion principle: Die thrown 10 times

Published on 20 Oct 2017 - 8:59

score 256 · Answer 15 · 2017-10-25 07:37:25

256

Views

Extended Inclusion/Exclusion Principle

Published on 25 Oct 2017 - 7:37

List Question

I need help in proving an identity about the Inclusion exclusion principle

How can I write this in a different ways? $\vert(\bigcup_{i=0}^n Ai)\vert$

Number of permutations of $9$ people of three nationalities in which no two people of the same nationality are adjacent

How many permutations of the letters: DREAMORTEAM do not have identical consecutive letters?

If an element x of S satisfies exactly r of the t conditions, how many times is x counted in the following expressions?

Card Probability using inclusion exclusion

Find the number of $n$ husband's placing

Possible ways of putting 7 balls into 3 boxes

Inclusion–exclusion principle and permutations / derangements

How to approach this counting problem?

Counting permutations of distinct items with repetition allowed and compulsory inclusion of some items

How am I using the inclusion-exclusion principle wrongly?

Why does finding the union of these three sets yield a negative number?

Inclusion-exclusion principle: Die thrown 10 times

Extended Inclusion/Exclusion Principle

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