perplexus.info :: Just Math : Root sum equals integer

Root sum equals integer (Posted on 2015-03-10)

Find all integers n for which √(25/2 + √(625/4 –n)) + √(25/2 - √(625/4 –n)) is an integer.

No Solution Yet Submitted by K Sengupta

No Rating

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

Subject	Author	Date
An alternative method.	broll	2015-03-11 01:16:35
re(4): solution & playing around	broll	2015-03-10 22:49:35
re(3): solution & playing around	Charlie	2015-03-10 15:54:20
re(2): solution & playing around	Daniel	2015-03-10 15:13:01
re: solution & playing around	Charlie	2015-03-10 14:40:30
with the assistance of a computer language that can handle complex intermediate terms	Charlie	2015-03-10 14:21:27
solution & playing around	Jer	2015-03-10 12:07:14

Please log in:

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