perplexus.info :: Numbers : My favorite numbers

My favorite numbers (Posted on 2005-07-22)

Find 4 different positive integers A,B,C,D for which: A+B = C*D and A*B = C+D How many sets of 4 numbers can you find? Prove that only those sets exist.

No Solution Yet Submitted by Jurgen

Rating: 3.5000 (6 votes)

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Problem Solution With Explanation	K Sengupta	2007-05-19 04:12:42
answer	K Sengupta	2007-05-07 12:20:03
No Subject	duane	2005-09-23 20:25:46
re: answer ("....4 different positive integers")	Justin	2005-08-27 03:52:46
re: Solution	Percy	2005-08-19 08:05:07
answer	punchmancan	2005-07-29 08:43:36
re: Solution	pcbouhid	2005-07-22 19:51:43
re(2): No Subject	pcbouhid	2005-07-22 15:56:06
Solution	Gamer	2005-07-22 14:23:58
re: No Subject	Tristan	2005-07-22 04:02:59
No Subject	pcbouhid	2005-07-22 03:51:26
re: First part	Nosher	2005-07-22 03:43:47
First part	Nosher	2005-07-22 03:40:43

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info