MathDB

4

Part of 1993 Baltic Way

Problems(1)

Expression is an integer for n

Source: Baltic Way 1993

6/15/2012
Determine all integers nn for which 252+6254−n+252−6254−n\sqrt{\frac{25}{2}+\sqrt{\frac{625}{4}-n}}+\sqrt{\frac{25}{2}-\sqrt{\frac{625}{4}-n}} is an integer.
number theory proposednumber theory