Tricky to prove that both are equal. Is there a typo somewhere?

And apart from that: Your approach so far? What did you try, what did you find out?

Results 1 to 5 of 5

- Jun 14th 2012, 09:28 AM #1

- Jun 14th 2012, 09:44 AM #2

- Joined
- Jun 2012
- From
- Germany
- Posts
- 72
- Thanks
- 5

- Jun 14th 2012, 09:49 AM #3

- Jun 14th 2012, 09:52 AM #4

- Joined
- Apr 2005
- Posts
- 18,431
- Thanks
- 2525

- Jun 14th 2012, 10:10 AM #5

- Joined
- Apr 2005
- Posts
- 18,431
- Thanks
- 2525