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43
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Question about sums with a negative limit for the index

Published on
#notation #summation #convention
71
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Evaluating a limit...

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#limits #summation #proof-verification
89
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Summing an infinite series

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#sequences-and-series #summation #factorial
138
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To prove $\sum\limits_{k=1}^{n}k \cos{\frac{2k\pi}{n}} =-\frac {n}2$

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#sequences-and-series #complex-numbers #summation
60
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Understanding Summation sequence

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#summation
447
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Prove that $\sum\limits_{n=1}^\infty \frac{n^2(n-1)}{2^n} = 20$

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#calculus #sequences-and-series #summation #power-series
243
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How to prove $\sum_{n=0}^{\infty} \frac {(2n+1)!} {2^{3n} \; (n!)^2} = 2\sqrt{2} \;$?

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#calculus #sequences-and-series #summation #closed-form
575
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How to calculate convergence of this function?

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#convergence-divergence #summation
103
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Find summation of following series.

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#sequences-and-series #algebra-precalculus #summation #binomial-coefficients
723
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Mathematical induction base case is not initial

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#discrete-mathematics #summation #induction
66
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How to factor $(1-(i^2/n)(1/n)$ to isolate $i^2$ and form a sigma identity?

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#summation #factoring #area #riemann-sum
141
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Growth of $\sum_{x=1}^{n-1} \left\lceil n-\sqrt{n^{2}-x^{2} } \right\rceil$

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#real-analysis #summation #asymptotics #ceiling-and-floor-functions
1.5k
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How can I find a closed form for the summation (i^2)(-1^i+1) systematically?

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#sequences-and-series #summation #closed-form
48
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Uniform convergence of function

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#real-analysis #summation #uniform-convergence
56
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Is this sum equivalent?

Published on
#calculus #sequences-and-series #summation

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