Question

Closed form for the integral $\int_{-\pi/2}^{\pi/2} W(\sec(\varphi)) d\varphi$?

score 130 · Answer 1 · 2026-03-25 12:53:01

130

Views

Closed form for the integral $\int_{-\pi/2}^{\pi/2} W(\sec(\varphi)) d\varphi$?

Published on 25 Mar 2026 - 12:53

score 62 · Answer 2 · 2019-11-07 05:04:53

62

Views

Closed form for infinite sum?

Published on 07 Nov 2019 - 5:04

score 57 · Answer 3 · 2019-11-09 18:51:11

57

Views

The Closed-Form of $\displaystyle \int_{0}^{1}\mathrm{li}(x)\ln\Big(\ln\Big(\frac{1}{x}\Big)\Big) \mathrm{d}x$

Published on 09 Nov 2019 - 18:51

score 422 · Answer 4 · 2019-11-12 23:11:34

422

Views

Proof of a few equations involving $\int_{\alpha}^{\infty}\frac{1}{t\left(e^{t}\pm1\right)}dt$

Published on 12 Nov 2019 - 23:11

score 203 · Answer 5 · 2026-03-28 11:35:22

203

Views

Fibonacci sum: $\sum\limits_{k\ge0}\frac{F_{2k+1}}{2k+1}\left(\frac{2+2\sqrt{2}}{1+\sqrt{\frac{17+8\sqrt{2}}{5}}}\right)^{2k+1}(-\frac{1}{5})^k$

Published on 28 Mar 2026 - 11:35

score 70 · Answer 6 · 2019-11-13 15:03:48

70

Views

Is there a closed formula for the sum $q+q^2+q^4+\dots+q^{2^n}$?

Published on 13 Nov 2019 - 15:03

score 149 · Answer 7 · 2026-03-27 22:31:09

149

Views

Closed form of series with the help of Harmonic series and generating functions

Published on 27 Mar 2026 - 22:31

score 67 · Answer 8 · 2026-03-30 05:01:58

67

Views

periodic in $x$ with period $2\pi$

Published on 30 Mar 2026 - 5:01

score 39 · Answer 9 · 2026-03-29 10:08:46

39

Views

Someone knows the Area and Perimeter of the family of polar curves: r(a)= n + m*sin(a)^2.?

Published on 29 Mar 2026 - 10:08

score 251 · Answer 10 · 2019-11-16 15:13:08

251

Views

Prove there is no closed-form solution to equations with e^x and x

Published on 16 Nov 2019 - 15:13

score 328 · Answer 11 · 2026-03-27 02:35:33

328

Views

Evaluating $\int_0^{\pi/2} \frac{t \ln (1-\sin{t})}{\sin t} dt$

Published on 27 Mar 2026 - 2:35

score 37 · Answer 12 · 2026-03-27 15:07:44

37

Views

Closed form for $\sum_{l=0}^k\frac{1}{l+1}B_{k,p}(l)$

Published on 27 Mar 2026 - 15:07

score 142 · Answer 13 · 2026-03-27 05:58:50

142

Views

Closed form of logarithmic integrals involving $\zeta$ and integer partitions

Published on 27 Mar 2026 - 5:58

score 45 · Answer 14 · 2019-11-18 23:47:44

45

Views

Is there a closed form formula for this recurrence relationship?

Published on 18 Nov 2019 - 23:47

score 67 · Answer 15 · 2019-11-23 22:39:28

67

Views

Need help finding a closed form for sum of combinations

Published on 23 Nov 2019 - 22:39

List Question

Closed form for the integral $\int_{-\pi/2}^{\pi/2} W(\sec(\varphi)) d\varphi$?

Closed form for infinite sum?

The Closed-Form of $\displaystyle \int_{0}^{1}\mathrm{li}(x)\ln\Big(\ln\Big(\frac{1}{x}\Big)\Big) \mathrm{d}x$

Proof of a few equations involving $\int_{\alpha}^{\infty}\frac{1}{t\left(e^{t}\pm1\right)}dt$

Fibonacci sum: $\sum\limits_{k\ge0}\frac{F_{2k+1}}{2k+1}\left(\frac{2+2\sqrt{2}}{1+\sqrt{\frac{17+8\sqrt{2}}{5}}}\right)^{2k+1}(-\frac{1}{5})^k$

Is there a closed formula for the sum $q+q^2+q^4+\dots+q^{2^n}$?

Closed form of series with the help of Harmonic series and generating functions

periodic in $x$ with period $2\pi$

Someone knows the Area and Perimeter of the family of polar curves: r(a)= n + m*sin(a)^2.?

Prove there is no closed-form solution to equations with e^x and x

Evaluating $\int_0^{\pi/2} \frac{t \ln (1-\sin{t})}{\sin t} dt$

Closed form for $\sum_{l=0}^k\frac{1}{l+1}B_{k,p}(l)$

Closed form of logarithmic integrals involving $\zeta$ and integer partitions

Is there a closed form formula for this recurrence relationship?

Need help finding a closed form for sum of combinations

Trending Questions

Popular # Hahtags

Popular Questions