Question

How can I create new identities with sums?

score 101 · Answer 1 · 2026-03-25 16:00:22

101

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How can I create new identities with sums?

Published on 25 Mar 2026 - 16:00

score 45 · Answer 2 · 2018-06-26 18:52:17

45

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How to esimate $X^{c}/c - \sum_{1 \leq t \leq X} t^{c-1}$

Published on 26 Jun 2018 - 18:52

score 4.9k · Answer 3 · 2026-03-24 23:53:50

4.9k

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Is summation the equivalent of a for loop? (Programming)

Published on 24 Mar 2026 - 23:53

score 33 · Answer 4 · 2026-03-26 08:04:17

33

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Carrying forward the summation symbol when differentiating $E = \dfrac{1}{2} \sum (z - t)^2 $?

Published on 26 Mar 2026 - 8:04

score 2.9k · Answer 5 · 2026-03-25 01:18:34

2.9k

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Find $x$ if $\frac1{\sin1°\sin2°}+\frac1{\sin2°\sin3°}+\cdots+\frac1{\sin89°\sin90°} = \cot x\cdot\csc x$

Published on 25 Mar 2026 - 1:18

score 147 · Answer 6 · 2018-06-27 04:46:22

147

Views

Generalization of Alternating Harmonic Series

Published on 27 Jun 2018 - 4:46

score 72 · Answer 7 · 2026-03-25 11:25:35

72

Views

Closed form for a series involving exponential functions

Published on 25 Mar 2026 - 11:25

score 221 · Answer 8 · 2026-03-26 17:53:58

221

Views

Convergence of sum of reciprocals of binomial coefficients

Published on 26 Mar 2026 - 17:53

score 275 · Answer 9 · 2026-03-25 00:02:54

275

Views

How to make Sum of sinusoidal signals with different frequencies have different absolute values of positive peak and negative peak?

Published on 25 Mar 2026 - 0:02

score 242 · Answer 10 · 2026-03-26 17:53:34

242

Views

Sum of 2 raised to the power of every element in a line of Pascal’s triangle

Published on 26 Mar 2026 - 17:53

score 296 · Answer 11 · 2026-03-27 22:02:56

296

Views

Do similar expressions exist for odd zeta values other than $3$?

Published on 27 Mar 2026 - 22:02

score 572 · Answer 12 · 2026-03-22 15:38:28

572

Views

Finite sum of the Pochhammer symbols (falling factorials)

Published on 22 Mar 2026 - 15:38

score 85 · Answer 13 · 2018-06-28 18:33:35

85

Views

Really Long Sum for a probablity question

Published on 28 Jun 2018 - 18:33

score 58 · Answer 14 · 2026-03-27 10:10:05

58

Views

Area of Curve using Direct Formula for the area of Triangle

Published on 27 Mar 2026 - 10:10

score 65 · Answer 15 · 2026-03-28 17:47:35

65

Views

Is it possible to extract a variable out of a bounded sum of binomial coefficients

Published on 28 Mar 2026 - 17:47

List Question

How can I create new identities with sums?

How to esimate $X^{c}/c - \sum_{1 \leq t \leq X} t^{c-1}$

Is summation the equivalent of a for loop? (Programming)

Carrying forward the summation symbol when differentiating $E = \dfrac{1}{2} \sum (z - t)^2 $?

Find $x$ if $\frac1{\sin1°\sin2°}+\frac1{\sin2°\sin3°}+\cdots+\frac1{\sin89°\sin90°} = \cot x\cdot\csc x$

Generalization of Alternating Harmonic Series

Closed form for a series involving exponential functions

Convergence of sum of reciprocals of binomial coefficients

How to make Sum of sinusoidal signals with different frequencies have different absolute values of positive peak and negative peak?

Sum of 2 raised to the power of every element in a line of Pascal’s triangle

Do similar expressions exist for odd zeta values other than $3$?

Finite sum of the Pochhammer symbols (falling factorials)

Really Long Sum for a probablity question

Area of Curve using Direct Formula for the area of Triangle

Is it possible to extract a variable out of a bounded sum of binomial coefficients

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