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15
Math.TechQA.Club
2026-03-26 04:52:41
554
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Combinatorial proof for $2^n=1+\sum_{k=0}^{n-1}2^k$
Published on
26 Mar 2026 - 4:52
#elementary-set-theory
#binomial-coefficients
#combinatorial-proofs
118
Views
Estimation for sum over binomial coefficients
Published on
11 Mar 2014 - 16:28
#combinatorics
#convergence-divergence
#binomial-coefficients
600
Views
Finding an algebraic proof for $r{n \choose r} = n{n-1 \choose r-1}$
Published on
11 Mar 2014 - 20:11
#combinatorics
#binomial-coefficients
167
Views
How are lopsided binomials (eg $\binom{n}{n+1})?$ defined?
Published on
28 Mar 2026 - 3:00
#abstract-algebra
#combinatorics
#binomial-coefficients
#binomial-theorem
541
Views
Asymptotic behavior of $\sum_{k=1}^n \binom{n}{k} \left(\frac{ck}{n}\right)^k$
Published on
28 Mar 2026 - 4:43
#sequences-and-series
#limits
#binomial-coefficients
#binomial-theorem
1k
Views
Using combinatorial reasoning to show $n!=\binom{n}{0}D_n+\binom{n}{1}D_{n-1}+\dots+\binom{n}{n}D_0$
Published on
27 Mar 2026 - 10:10
#combinatorics
#permutations
#binomial-coefficients
#factorial
87k
Views
Probability of 5 cards drawn from shuffled deck
Published on
25 Mar 2026 - 12:55
#probability
#combinatorics
#binomial-coefficients
#card-games
5.5k
Views
Binomial theorem $(a+b)^n=\sum \limits_{k=0}^{n}\binom{n}{k}a^{n-k}b^{k}$
Published on
02 Apr 2026 - 12:59
#sequences-and-series
#induction
#binomial-coefficients
223
Views
Integer valued polynomials in two variables
Published on
26 Feb 2026 - 18:10
#combinatorics
#polynomials
#binomial-coefficients
#integer-valued-polynomials
215
Views
How to algebraically prove $\binom{n+m}{2} = nm + \binom{n}{2} + \binom{m}{2}$?
Published on
13 Mar 2014 - 20:18
#combinatorics
#algebra-precalculus
#binomial-coefficients
304
Views
Sum of Binomials times Logarithms
Published on
14 Mar 2014 - 9:19
#sequences-and-series
#summation
#binomial-coefficients
2.5k
Views
Binomial Distribution for defects
Published on
14 Mar 2014 - 16:39
#probability
#binomial-coefficients
223
Views
Concrete Mathematics, Newton Series and Inversion
Published on
14 Mar 2014 - 18:11
#binomial-coefficients
2.3k
Views
Binomials for getting probability of standard deviation
Published on
14 Mar 2014 - 18:47
#probability
#binomial-coefficients
827
Views
Gambler's ruin, probability of loss, infinite turns
Published on
14 Mar 2014 - 19:11
#probability
#limits
#binomial-coefficients
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