# Math Challenge Problems Forum

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

• Replies: 0
• Views: 969
Apr 15th 2014, 04:32 PM
1. ### Sequence Puzzle

• Replies: 3
• Views: 973
May 21st 2009, 11:36 AM
2. ### Calculus: solving an equation

• Replies: 5
• Views: 766
May 21st 2009, 05:28 AM
3. ### Techniques of integration (5)

• Replies: 3
• Views: 750
May 20th 2009, 06:09 AM
4. ### Sequence

• Replies: 11
• Views: 759
May 20th 2009, 01:03 AM
5. ### How many eggs?

• Replies: 3
• Views: 827
May 18th 2009, 04:13 AM
6. ### Techniques of integration (4)

• Replies: 2
• Views: 782
May 18th 2009, 03:58 AM
7. ### Techniques of integration (3)

• Replies: 9
• Views: 912
May 17th 2009, 03:55 PM
8. ### How long is the rope?

• Replies: 4
• Views: 955
May 13th 2009, 04:21 AM
9. ### Innocent looking 1st order DE

• Replies: 2
• Views: 694
May 12th 2009, 01:35 AM
10. ### proof of -1 = +1

• Replies: 22
• Views: 2,026
May 7th 2009, 12:40 PM
11. ### A differential equation

• Replies: 1
• Views: 659
May 3rd 2009, 06:15 PM
12. ### Evaluate the integral

• Replies: 3
• Views: 721
May 2nd 2009, 07:39 PM
13. ### Techniques of integration (2)

• Replies: 2
• Views: 1,002
May 2nd 2009, 06:09 AM
14. ### infinite series

• Replies: 0
• Views: 635
May 2nd 2009, 01:53 AM
15. ### Integral

• Replies: 3
• Views: 641
Apr 29th 2009, 09:52 AM
16. ### Generalized binomial coefficients

• Replies: 0
• Views: 582
Apr 28th 2009, 04:32 AM
17. ### Techniques of integration (1)

• Replies: 2
• Views: 776
Apr 24th 2009, 06:50 PM
18. ### Interesting Integral

• Replies: 2
• Views: 739
Apr 24th 2009, 05:22 PM
19. ### Find the minimum distance (Calculus II)

• Replies: 3
• Views: 822
Apr 20th 2009, 01:30 PM
20. ### Simplify this function

• Replies: 2
• Views: 655
Apr 17th 2009, 01:22 PM
21. ### Four numbers equal 24

• Replies: 3
• Views: 1,629
Apr 16th 2009, 12:02 PM
22. ### Binomial coefficiens: an identity

• Replies: 2
• Views: 858
Apr 13th 2009, 05:04 PM
23. ### Algebraic integers

• Replies: 0
• Views: 658
Apr 11th 2009, 02:35 PM
24. ### # Some special polynomials!

• Replies: 0
• Views: 831
Apr 9th 2009, 09:57 AM
25. ### # Polynomials with no zero

• Replies: 0
• Views: 677
Apr 9th 2009, 09:47 AM
26. ### An identity

• Replies: 0
• Views: 725
Apr 7th 2009, 10:22 PM
27. ### A series limit

• Replies: 3
• Views: 924
Apr 6th 2009, 11:25 AM
28. ### Calculus I: (multi) infinite sums

• Replies: 11
• Views: 979
Apr 1st 2009, 08:48 PM
29. ### Integral limit

• Replies: 2
• Views: 1,143
Apr 1st 2009, 11:03 AM
30. ### Pre-algebra: inequality

• Replies: 3
• Views: 863
Mar 31st 2009, 09:38 PM

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Note: when sorting by date, 'descending order' will show the newest results first.

## » Pre University Math Help

 Math Discussion

## » Math Forums

 Math Discussion