# Math Challenge Problems Forum

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

• Replies: 0
• Views: 1,376
Apr 15th 2014, 04:32 PM
1. ### Number of derangements of n objects

• Replies: 10
• Views: 1,321
Feb 10th 2010, 08:16 AM
2. ### Complex integral (2)

• Replies: 6
• Views: 920
Feb 6th 2010, 03:31 PM
3. ### Nice Inequality !!

• Replies: 3
• Views: 813
Feb 6th 2010, 03:08 AM
4. ### Basic topology question

• Replies: 2
• Views: 1,214
Feb 5th 2010, 08:36 PM
5. ### Set-theory challenge

• Replies: 2
• Views: 684
Jan 28th 2010, 02:51 PM
6. ### Dense subset of R^n

• Replies: 9
• Views: 959
Jan 28th 2010, 09:12 AM
7. ### Quotient

• Replies: 3
• Views: 660
Jan 25th 2010, 08:08 AM
8. ### Use Green's formula

• Replies: 0
• Views: 611
Jan 24th 2010, 12:36 PM
9. ### Limit 5

• Replies: 2
• Views: 763
Jan 23rd 2010, 06:15 PM
10. ### Finite dimensional normed spaces

• Replies: 3
• Views: 961
Jan 23rd 2010, 08:17 AM
11. ### Metric Spaces

• Replies: 1
• Views: 745
Jan 23rd 2010, 07:42 AM
12. ### Intriguing question on Complex Numbers

• Replies: 1
• Views: 1,092
Jan 18th 2010, 10:02 AM
13. ### One for you, WonderBoy

• Replies: 12
• Views: 1,004
Jan 16th 2010, 10:03 AM
14. ### Without L.R.,Long division,definition of derivative and eplison-delta prove, evaluate

• Replies: 11
• Views: 1,087
Jan 14th 2010, 06:24 PM
15. ### An amazing discovery

• Replies: 15
• Views: 2,196
Jan 14th 2010, 08:33 AM
16. ### integral , basic ..

• Replies: 6
• Views: 1,090
Jan 9th 2010, 12:56 AM
17. ### I have a challange

• Replies: 2
• Views: 736
Jan 8th 2010, 12:52 AM
18. ### Proof!

• Replies: 3
• Views: 807
Jan 7th 2010, 02:20 PM

• Replies: 6
• Views: 630
Jan 6th 2010, 12:15 PM
20. ### Here's a problem

• Replies: 5
• Views: 897
Jan 3rd 2010, 12:00 PM
21. ### Number theory challenge

• Replies: 2
• Views: 833
Dec 29th 2009, 12:46 PM
22. ### piecewise function challenge

• Replies: 4
• Views: 1,071
Dec 28th 2009, 11:10 PM
23. ### Geometry(2)

• Replies: 8
• Views: 1,104
Dec 27th 2009, 12:28 AM
24. ### A Staircase of Unit Matrices

• Replies: 1
• Views: 808
Dec 25th 2009, 08:25 PM
25. ### Number Theory (2)

• Replies: 3
• Views: 720
Dec 22nd 2009, 02:56 PM
26. ### Just for Fun

• Replies: 6
• Views: 745
Dec 19th 2009, 01:46 AM
27. ### Show that all of these numbers are zero

• Replies: 3
• Views: 912
Dec 17th 2009, 11:23 PM

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