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  1. Unsolved Challenge
    A tough Integral

    Started by Tony, April 18th, 2018 03:05
    $$mathrm, 1+t^4+t^8cdot, dtt-3t^3+t^5over, integral, ln-lnt
    • Replies: 7
    • Views: 261
    Last Post: Yesterday 18:04
    by June29  Go to last post
  2. [SOLVED] Find interior of curve

    Started by evinda, May 12th, 2018 03:58
    2 Pages
    1 2
    $c$, find, integral, interior, leq
    • Replies: 14
    • Views: 257
    Last Post: May 21st, 2018 05:38
    by evinda  Go to last post

    Forum:
    Calculus

  3. [SOLVED] 15.4.20 volumn via triple integrals

    Started by karush, May 16th, 2018 17:20
    • Replies: 1
    • Views: 99
    Last Post: May 16th, 2018 22:09
    by tkhunny  Go to last post

    Forum:
    Calculus

  4. on the spectral radius of bounded linear operators

    Started by sarrah, April 29th, 2018 11:05
    ds$, eigenvalue, integral, operator, varpsis
    • Replies: 3
    • Views: 92
    Last Post: April 30th, 2018 03:19
    by sarrah  Go to last post

    Forum:
    Analysis

  5. Tanh Integral

    Started by Tony, April 24th, 2018 11:32
    dt=colorblue2ln, integral, prove, tanh, t^2mathrm
    • Replies: 1
    • Views: 98
    Last Post: April 24th, 2018 13:16
    by greg1313  Go to last post
  6. Unsolved Challenge
    Integral of tan, ln

    Started by Tony, April 24th, 2018 02:21
    $$int_0^pi/2ln^2, integral, show, tan, tan^2
    • Replies: 0
    • Views: 76
    Last Post: April 24th, 2018 02:21
    by Tony  Go to last post
  7. Unsolved Challenge
    An interesting Integral

    Started by Tony, April 24th, 2018 02:05
    $$int_0^pi/2ln^2leftln^2, integral, interesting, prove, sin
    • Replies: 0
    • Views: 74
    Last Post: April 24th, 2018 02:05
    by Tony  Go to last post
  8. Unsolved Challenge
    Five, Phi and Pi in one integral

    Started by Tony, April 9th, 2018 16:56
    $$int_0piover, 2lnsin, integral, phi, xover
    • Replies: 3
    • Views: 171
    Last Post: April 23rd, 2018 17:52
    by Tony  Go to last post
  9. Unsolved Challenge
    Long Integral

    Started by Tony, April 23rd, 2018 03:24
    2right^2-2ln2over, dt=leftpiover, integral, long, show
    • Replies: 0
    • Views: 58
    Last Post: April 23rd, 2018 03:24
    by Tony  Go to last post
  10. Unsolved Challenge
    Integral of sine

    Started by Tony, April 22nd, 2018 18:31
    $$int_0^2pisinleftxover, 4rightsinleftxover, integral, prove, sine
    • Replies: 3
    • Views: 105
    Last Post: April 23rd, 2018 00:54
    by Tony  Go to last post
  11. Unsolved Challenge
    Integral of product

    Started by Tony, April 22nd, 2018 17:59
    912ln, dx=piover, integral, product, show
    • Replies: 0
    • Views: 64
    Last Post: April 22nd, 2018 17:59
    by Tony  Go to last post
  12. Unsolved Challenge
    imaginary integral

    Started by Tony, April 22nd, 2018 02:39
    $$int_0^2pimathrm, dtsin, imaginary, integral, prove
    • Replies: 1
    • Views: 83
    Last Post: April 22nd, 2018 04:19
    by Opalg  Go to last post
  13. Unsolved Challenge
    Curious Integral

    Started by Tony, April 19th, 2018 05:27
    curious, integral, pi^2+ln^2tan^2, show, xover
    • Replies: 0
    • Views: 73
    Last Post: April 19th, 2018 05:27
    by Tony  Go to last post
  14. [SOLVED] Gamma function is convergent and continuous

    Started by mathmari, April 7th, 2018 10:19
    continuous, converges, dt$, function, integral
    • Replies: 7
    • Views: 123
    Last Post: April 11th, 2018 19:03
    by mathmari  Go to last post

    Forum:
    Analysis

  15. Unsolved Challenge
    A hard integral gives a simple closed form

    Started by Tony, April 10th, 2018 17:50
    closed, form, hard, integral, simple
    • Replies: 1
    • Views: 111
    Last Post: April 10th, 2018 23:28
    by GJA  Go to last post
  16. Change of variables/ Transformations

    Started by Alexis87, April 9th, 2018 12:22
    • Replies: 3
    • Views: 89
    Last Post: April 9th, 2018 16:06
    by tkhunny  Go to last post

    Forum:
    Calculus

  17. Unsolved Challenge
    Oloa Olivier's type integral

    Started by Tony, April 9th, 2018 06:05
    $$int_0^pi2$$, $$int_0^piover, integral, oloa, type
    • Replies: 0
    • Views: 106
    Last Post: April 9th, 2018 06:05
    by Tony  Go to last post
  18. Evaluate the definite integral

    Started by lfdahl, March 15th, 2018 17:04
    $$i, definite, evaluate, integral, int_-2^0
    • Replies: 1
    • Views: 154
    Last Post: March 27th, 2018 08:05
    by lfdahl  Go to last post
  19. More integral substitution

    Started by TheFallen018, March 18th, 2018 01:43
    2 Pages
    1 2
    • Replies: 12
    • Views: 322
    Last Post: March 18th, 2018 08:12
    by TheFallen018  Go to last post

    Forum:
    Calculus

    • Replies: 3
    • Views: 109
    Last Post: March 3rd, 2018 22:28
    by Country Boy  Go to last post

    Forum:
    Calculus

  20. Integral Applications - Hydrostatic Pressure + Force

    Started by MermaidWonders, February 25th, 2018 18:01
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 745
    Last Post: March 3rd, 2018 15:07
    by MermaidWonders  Go to last post

    Forum:
    Calculus

  21. How to calculate this type of integral, Thanks

    Started by zhaojx84, February 6th, 2018 09:38
    • Replies: 2
    • Views: 233
    Last Post: March 3rd, 2018 06:07
    by zhaojx84  Go to last post

    Forum:
    Calculus

  22. [SOLVED] 232.15.3.50 Reverse the order of integration in the following integral

    Started by karush, February 27th, 2018 20:17
    fracy2right, integral, left, quad, that$
    • Replies: 4
    • Views: 198
    Last Post: February 28th, 2018 08:16
    by Prove It  Go to last post

    Forum:
    Calculus

  23. Integral Calculus - Spot the Error

    Started by MermaidWonders, February 21st, 2018 13:30
    • Replies: 7
    • Views: 271
    Last Post: February 23rd, 2018 19:02
    by Country Boy  Go to last post

    Forum:
    Calculus

  24. Trigonometric Integral, weird results

    Started by Yankel, February 22nd, 2018 11:54
    correct, integral, maple, substitution, [int
    • Replies: 3
    • Views: 109
    Last Post: February 22nd, 2018 15:25
    by MarkFL  Go to last post

    Forum:
    Calculus

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