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15
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Need to solve a sum

Published on
#combinatorics #summation
39
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What does the following sum converge to? is there a closed-form formula?

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#calculus #real-analysis #sequences-and-series #convergence-divergence #summation
43
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Problem with an integral and integration by part

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#integration #ordinary-differential-equations #derivatives #summation #exponential-function
81
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Supremum of this set of sums $\sum_{m=1}^{n}{\frac{1}{m*2^m}}$

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#calculus #real-analysis #summation
163
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Expected value of randomly filling buckets until conflict

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#calculus #probability-theory #summation
48
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Summability of $\sum_{k\in\mathbb{Z}^d\setminus\{0\}}\frac{1}{||k||^2}$

Published on
#sequences-and-series #summation
61
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Changing index of summation

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#summation #index-notation
477
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Verify my proof for "For every $n, q$, where $n,q \in Z^+, n\geq 2, \sum_{i=1}^n\frac1n\neq q$". [$n^{th}$ harmonic number is never an integer]

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#number-theory #elementary-number-theory #summation #solution-verification #harmonic-numbers
2.4k
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What is the expected result for the number of heads obtained in this coin/dice flipping example?

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#probability #summation #binomial-distribution #expected-value
46
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Sum of a series in $\mathbb{Z}^d$

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#sequences-and-series #summation
167
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Find the sum of $1-\frac17+\frac19-\frac1{15}+\frac1{17}-\frac1{23}+\frac1{25}-\dots$

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#summation #power-series #formal-power-series #summation-method #summation-by-parts
116
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Interesting proofs of this sum

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#summation #fourier-series
294
Views

Sum of areas of triangles formed from medians.

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#geometry #summation #triangles #median
113
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What is the difference between the summations?

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#algebra-precalculus #summation #notation
245
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Relabelling indices in multiple summations

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#summation

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