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Tag: sum

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  1. Problem Of The Week #409 Mar 20th, 2020

    Started by anemone, March 20th, 2020 02:18
    1988, intervals, lengths, potw, sum
    • Replies: 1
    • Views: 177
    Last Post: March 27th, 2020 23:38
    by anemone  Go to last post
  2. Problem Of The Week #407 Mar 4th, 2020

    Started by anemone, March 4th, 2020 09:34
    $n$, potw, sequence, sum, terms
    • Replies: 1
    • Views: 264
    Last Post: March 13th, 2020 09:58
    by anemone  Go to last post
  3. [ASK] About Power Again

    Started by Monoxdifly, January 7th, 2020 23:31
    brute-forcing, power, sum, ten, [ask]
    • Replies: 4
    • Views: 248
    Last Post: January 9th, 2020 22:17
    by Monoxdifly  Go to last post
  4. F-Test : Do we accept the null-hypothesis?

    Started by mathmari, January 6th, 2020 11:45
    • Replies: 5
    • Views: 198
    Last Post: January 6th, 2020 17:04
    by Klaas van Aarsen  Go to last post
  5. Perform a significance test

    Started by mathmari, January 2nd, 2020 07:49
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 823
    Last Post: January 6th, 2020 05:49
    by Klaas van Aarsen  Go to last post
  6. Problem Of The Week #397 Dec 15th, 2019

    Started by anemone, December 15th, 2019 04:05
    digits, find, guidelines, potw, sum
    • Replies: 1
    • Views: 234
    Last Post: December 19th, 2019 09:58
    by anemone  Go to last post
  7. Digit sum rule for the divisibility by 9

    Started by mathmari, December 15th, 2019 07:48
    a_1, ldots, mathbbn$, overset9equiv, sum
    • Replies: 2
    • Views: 274
    Last Post: December 15th, 2019 19:16
    by Klaas van Aarsen  Go to last post
    • Replies: 1
    • Views: 169
    Last Post: November 24th, 2019 07:35
    by Opalg  Go to last post
  8. sum of infinite series

    Started by goohu, October 16th, 2019 14:51
    frack^2-42^k, infinite, series, sum, sum_k=1^infty
    • Replies: 7
    • Views: 444
    Last Post: October 18th, 2019 03:38
    by Opalg  Go to last post

    Forum:
    Calculus

  9. 33 as sum of 3 cubes solved

    Started by kaliprasad, September 24th, 2019 09:49
    cubes, details, solved, sum
    • Replies: 1
    • Views: 487
    Last Post: September 24th, 2019 10:04
    by Klaas van Aarsen  Go to last post

    Forum:
    Chat Room

  10. Maximize the sum of squared distances

    Started by lfdahl, August 11th, 2019 17:19
    distances, maximize, points, squared, sum
    • Replies: 1
    • Views: 373
    Last Post: August 20th, 2019 13:54
    by lfdahl  Go to last post
    • Replies: 2
    • Views: 452
    Last Post: June 6th, 2019 00:00
    by Peter  Go to last post

    Forum:
    Analysis

  11. Smallest sum of fractions

    Started by lfdahl, March 27th, 2019 16:00
    determine, permutation, smallest, sum
    • Replies: 2
    • Views: 474
    Last Post: March 28th, 2019 15:19
    by lfdahl  Go to last post
  12. Evaluate the double sum of a product

    Started by lfdahl, February 24th, 2019 15:54
    double, evaluate, product, sum
    • Replies: 2
    • Views: 696
    Last Post: March 10th, 2019 14:54
    by lfdahl  Go to last post
  13. Binomial Sum

    Started by jacks, December 3rd, 2018 10:22
    $displaystyle, binomial, evaluation, sum, sum^n_k=0binomn+kkcdot
    • Replies: 1
    • Views: 750
    Last Post: February 26th, 2019 10:50
    by jacks  Go to last post
  14. square root n limit ( sum question )

    Started by Vali, February 4th, 2019 18:35
    $lim_nrightarrow, infty, limit, solve, sum
    • Replies: 2
    • Views: 407
    Last Post: February 5th, 2019 11:21
    by Vali  Go to last post

    Forum:
    Calculus

  15. approximate value of pi

    Started by kaliprasad, December 31st, 2018 11:33
    $sqrt2, approximate, interesting, sum, surds
    • Replies: 5
    • Views: 874
    Last Post: January 4th, 2019 02:29
    by kaliprasad  Go to last post

    Forum:
    Chat Room

  16. Problem Of The Week # 333 - Dec 05, 2018

    Started by Euge, December 5th, 2018 14:42
    density, find, potw, remember, sum
    • Replies: 1
    • Views: 583
    Last Post: December 11th, 2018 19:23
    by Euge  Go to last post
  17. Sum of two infinite series

    Started by jacks, October 22nd, 2018 10:43
    displaystyle, evaluation, infinite, series, sum
    • Replies: 2
    • Views: 831
    Last Post: December 3rd, 2018 10:16
    by jacks  Go to last post
    • Replies: 1
    • Views: 950
    Last Post: November 19th, 2018 22:07
    by Klaas van Aarsen  Go to last post
  18. Square numbers

    Started by Anita6363, October 31st, 2018 18:22
    integer, integers, numbers, square, sum
    • Replies: 1
    • Views: 583
    Last Post: October 31st, 2018 22:24
    by Wilmer  Go to last post
  19. Infinite sum

    Started by lfdahl, October 8th, 2018 17:44
    find, infinite, sum
    • Replies: 6
    • Views: 1,069
    Last Post: October 10th, 2018 14:18
    by lfdahl  Go to last post
  20. Problem Of The Week # 319 - Aug 17, 2018

    Started by Euge, August 17th, 2018 12:13
    find, pi$, potw, problem, sum
    • Replies: 1
    • Views: 757
    Last Post: August 25th, 2018 01:23
    by Euge  Go to last post
  21. How much each received

    Started by Johnx, August 12th, 2018 23:48
    kate, nora, received, shared, sum
    • Replies: 3
    • Views: 649
    Last Post: August 13th, 2018 00:35
    by MarkFL  Go to last post
  22. Volume Problem - Riemann Sum

    Started by MathsKid007, July 24th, 2018 00:01
    • Replies: 3
    • Views: 860
    Last Post: July 25th, 2018 20:24
    by MarkFL  Go to last post

    Forum:
    Calculus

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