IMO 1989 LL ROM90
Prove that the sequence (an)n\geq0, an = [n
IMO 1989 LL ROM90
Origin: ROM
Problem
Prove that the sequence (an)n\geq0, an = [n \sqrt 2], contains an infinite number of perfect squares.
Prove that the sequence (an)n\geq0, an = [n
Origin: ROM
Prove that the sequence (an)n\geq0, an = [n \sqrt 2], contains an infinite number of perfect squares.