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# Math Challenge Problems Forum

Math Challenge Problem Forum: For challenging math problems (that you can solve yourself)

• Replies: 0
• Views: 1,245
Apr 15th 2014, 04:32 PM
1. ### Any other solution to this inequality ?

• Replies: 6
• Views: 792
Jan 14th 2011, 12:58 PM
2. ### definite integral #2

• Replies: 5
• Views: 1,027
Jan 14th 2011, 12:23 PM
3. ### Powers of Two

• Replies: 4
• Views: 1,347
Jan 4th 2011, 03:29 AM
4. ### Rational integral

• Replies: 4
• Views: 954
Jan 3rd 2011, 08:23 AM
5. ### IMO Problem II

• Replies: 3
• Views: 846
Jan 2nd 2011, 05:30 AM
6. ### Explain this!

• Replies: 4
• Views: 947
Dec 30th 2010, 02:41 PM
7. ### Prove some identities!

• Replies: 105
• Views: 7,920
Dec 29th 2010, 10:58 PM
8. ### definite integral

• Replies: 11
• Views: 1,264
Dec 29th 2010, 08:20 PM
9. ### Sum of Möbius Function

• Replies: 4
• Views: 927
Dec 29th 2010, 12:37 PM
10. ### A Parabola Property

• Replies: 2
• Views: 663
Dec 28th 2010, 11:20 AM
11. ### Another parabola property

• Replies: 1
• Views: 579
Dec 28th 2010, 08:00 AM
12. ### indefinite integral #2

• Replies: 3
• Views: 710
Dec 26th 2010, 09:01 PM
13. ### Integer Valued Matrix

• Replies: 2
• Views: 950
Dec 15th 2010, 07:56 PM
14. ### Trig

• Replies: 5
• Views: 767
Dec 5th 2010, 01:57 PM
15. ### Logic problem

• Replies: 6
• Views: 862
Dec 4th 2010, 12:23 PM
16. ### Cubes upon cubes

• Replies: 23
• Views: 1,947
Nov 26th 2010, 02:26 PM
17. ### Characterize integers, divisibility.

• Replies: 1
• Views: 745
Nov 23rd 2010, 01:57 PM
18. ### three digit numbers

• Replies: 14
• Views: 1,140
Nov 19th 2010, 12:06 PM
19. ### Intersection of plane curves

• Replies: 5
• Views: 1,104
Nov 11th 2010, 04:22 PM
20. ### Derivative Problem

• Replies: 2
• Views: 984
Nov 5th 2010, 05:52 AM
21. ### Limit of an interesting sequence

• Replies: 8
• Views: 727
Nov 4th 2010, 06:38 PM
22. ### Euler's phi-function.

• Replies: 5
• Views: 1,534
Oct 5th 2010, 10:37 AM
23. ### Integrals

• Replies: 2
• Views: 1,160
Sep 28th 2010, 10:00 AM
24. ### Integral

• Replies: 3
• Views: 950
Sep 7th 2010, 09:28 PM
25. ### Units in a polynomial ring

• Replies: 1
• Views: 2,107
Sep 2nd 2010, 05:52 AM
26. ### mathematical game

• Replies: 16
• Views: 1,846
Aug 24th 2010, 08:39 PM
27. ### Harmonic Numbers

• Replies: 4
• Views: 925
Aug 23rd 2010, 05:41 PM
28. ### Riemann Zeta Function

• Replies: 4
• Views: 914
Aug 22nd 2010, 09:53 PM
29. ### Matrices went in 2x2

• Replies: 2
• Views: 783
Aug 22nd 2010, 01:39 AM

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