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Tag: inequality

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  1. Trig inequality challenge

    Started by lfdahl, January 19th, 2017 18:51
    cos, fracn2sqrt2], inequality, left, trig
    • Replies: 0
    • Views: 34
    Last Post: January 19th, 2017 18:51
    by lfdahl  Go to last post
  2. Prove that sin(x)+cos(x) is equal or larger than 1

    Started by Yankel, January 10th, 2017 05:22
    2 Pages
    1 2
    assume, contradiction, inequality, prove, [sin^2x-2sinxcosx+cos^2x
    • Replies: 11
    • Views: 281
    Last Post: January 15th, 2017 13:44
    by I like Serena  Go to last post

    Forum:
    Trigonometry

  3. [SOLVED] Inequality of the rank matrices

    Started by mathmari, January 2nd, 2017 13:29
    $textrankableq, inequality, linear, show, wondering
    • Replies: 8
    • Views: 169
    Last Post: January 8th, 2017 11:34
    by mathmari  Go to last post
  4. Inequality challenge

    Started by lfdahl, October 26th, 2016 14:17
    ;;;;a, challenge, inequality, sqrtabc, [0;1].$
    • Replies: 5
    • Views: 258
    Last Post: October 31st, 2016 14:08
    by lfdahl  Go to last post
  5. slope of decreasing curve

    Started by Teh, October 30th, 2016 15:27
    • Replies: 7
    • Views: 310
    Last Post: October 30th, 2016 16:36
    by MarkFL  Go to last post

    Forum:
    Calculus

  6. Trigonometric inequality with pi

    Started by karseme, October 23rd, 2016 06:34
    inequality, sinpi, sinpixcospisqrx, trigonometric, xcospisqrtx
    • Replies: 4
    • Views: 166
    Last Post: October 24th, 2016 14:38
    by I like Serena  Go to last post

    Forum:
    Trigonometry

  7. prove inequality

    Started by Albert, October 7th, 2016 09:49
    $1+a1+b1+cgeq, 1+a+b+c$, cgeq1$, inequality, prove
    • Replies: 1
    • Views: 113
    Last Post: October 7th, 2016 12:07
    by Euge  Go to last post
  8. Inequality graph

    Started by kamranpiriyev, September 27th, 2016 05:49
    answer, inequality, quadrant, solutions, system
    • Replies: 2
    • Views: 128
    Last Post: September 27th, 2016 12:45
    by MarkFL  Go to last post
    • Replies: 5
    • Views: 193
    Last Post: September 14th, 2016 10:18
    by Evgeny.Makarov  Go to last post
  9. inequality challenge

    Started by Albert, July 30th, 2016 20:43
    $1+x1+y1+z1+wgeq, challenge, inequality, prove, w0$
    • Replies: 2
    • Views: 191
    Last Post: July 30th, 2016 23:31
    by Albert  Go to last post
  10. Inequality

    Started by tmt, July 12th, 2016 21:09
    frac1n^2$$, greater, holds, inequality, numerator
    • Replies: 3
    • Views: 334
    Last Post: July 21st, 2016 20:08
    by soroban  Go to last post
  11. Inequality Of The Sum Of A Series

    Started by anemone, July 13th, 2016 23:24
    frac110-frac12016, inequality, prove, series, sum
    • Replies: 3
    • Views: 243
    Last Post: July 15th, 2016 04:23
    by Albert  Go to last post
  12. IMO Inequality Challenge

    Started by anemone, June 7th, 2016 23:56
    challenge, inequality, prove, reals
    • Replies: 2
    • Views: 261
    Last Post: June 11th, 2016 00:14
    by anemone  Go to last post
  13. Inequality of logarithm function

    Started by anemone, May 26th, 2016 02:31
    $sqrtlog_3a^b, holds, inequality, log_3a^c+sqrtlog_3b^c, prove
    • Replies: 2
    • Views: 223
    Last Post: June 5th, 2016 02:16
    by anemone  Go to last post
  14. Holder inequality for double integrals

    Started by sarrah, April 4th, 2016 08:06
    $iintfx.gydxdx$, double, inequality, integral, integrals
    • Replies: 0
    • Views: 261
    Last Post: April 4th, 2016 08:06
    by sarrah  Go to last post

    Forum:
    Analysis

  15. Inequality of logarithm function

    Started by anemone, March 23rd, 2016 01:44
    $a+b+c=3$, holds, inequality, logarithm, real
    • Replies: 3
    • Views: 287
    Last Post: March 23rd, 2016 23:58
    by anemone  Go to last post
  16. Inequality

    Started by jacks, February 4th, 2016 11:42
    $$n^ncdot, inequality, leftfracn+12right^2ngeq, leftfracn+12right^3$$, prove
    • Replies: 7
    • Views: 656
    Last Post: February 10th, 2016 06:47
    by jacks  Go to last post

    Forum:
    Pre-Calculus

  17. Inequality

    Started by anemone, January 13th, 2016 00:22
    fracab, fracbc, fracca, inequality, real
    • Replies: 2
    • Views: 361
    Last Post: January 25th, 2016 01:06
    by anemone  Go to last post
  18. Prove the sum is less than 2016

    Started by anemone, January 14th, 2016 23:17
    23^2+sqrtfrac2cdot, 35^2+sqrtfrac3cdot, 40338065^2, inequality, sqrtfrac1cdot
    • Replies: 2
    • Views: 274
    Last Post: January 15th, 2016 01:21
    by anemone  Go to last post
  19. Hardest inequality challenge

    Started by anemone, January 2nd, 2016 13:22
    $sqrt8^sqrt7, challenge, hardest, inequality, prove
    • Replies: 8
    • Views: 667
    Last Post: January 13th, 2016 04:06
    by Albert  Go to last post
  20. inequalities

    Started by emacat, December 15th, 2015 23:08
    answer, inequality, negative, sign, variable
    • Replies: 4
    • Views: 591
    Last Post: January 2nd, 2016 16:45
    by samir  Go to last post
  21. Summation Inequality

    Started by MarkFL, December 4th, 2015 22:46
    inequality, prove, summation, sum_k=n^2n-2frac1k^2
    • Replies: 9
    • Views: 571
    Last Post: December 8th, 2015 13:03
    by MarkFL  Go to last post
  22. [SOLVED] Alll Positive Integers proof by contraposition

    Started by tmt, November 30th, 2015 01:17
    $s$, book, inequality, integers, sqrtn$
    • Replies: 1
    • Views: 696
    Last Post: November 30th, 2015 09:50
    by Sudharaka  Go to last post
  23. Inequality challenge

    Started by anemone, November 19th, 2015 01:04
    $ain, bbbz^+$, challenge, inequality, prove
    • Replies: 7
    • Views: 532
    Last Post: November 28th, 2015 00:22
    by anemone  Go to last post
  24. parametric inequality

    Started by solakis, November 23rd, 2015 22:01
    2-b, find, inequality, inequality;, yesterday
    • Replies: 0
    • Views: 283
    Last Post: November 23rd, 2015 22:01
    by solakis  Go to last post
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