perplexus.info :: Just Math : Three numbers

Three numbers (Posted on 2003-11-17)

If x, y and z are real numbers such that: x + y + z = 5 and xy + yz + zx = 3, what is the largest value that x can have ?

No Solution Yet Submitted by Ravi Raja

Rating: 3.7500 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Puzzle Thoughts

Comment 22 of 22 |

The largest value that x can have is 13/3

Edited on July 24, 2023, 11:23 pm

Posted by K Sengupta on 2023-07-24 23:23:09

Please log in:

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

Chatterbox:


perplexus dot info