combinations related issues & queries in MathXchanger





Why do I get one less than $2^k$?

combinations
Updated September 16, 2019 08:20 AM


Distributing marbles into a box

combinatorics combinations
Updated September 16, 2019 00:20 AM








How to expand combinations formula?

combinatorics combinations
Updated September 11, 2019 18:20 PM



Over-Counted Permutations

probability permutations combinations
Updated September 08, 2019 13:20 PM





Round table arrangements

combinatorics combinations
Updated September 06, 2019 06:20 AM

Incorrect combinatorics reasoning

combinatorics combinations
Updated September 05, 2019 19:20 PM



How can I generate these combinations?

combinations
Updated September 02, 2019 19:20 PM


A combinatorics proof

combinatorics combinations
Updated September 01, 2019 09:20 AM

Number of sub-arrays with element included

combinations
Updated September 01, 2019 06:20 AM

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