0 votes 0 votes Show that if $a_{n}$ denotes the $nth$ positive integer that is not a perfect square, then $a_{n} = n + \{\sqrt{n}\},$ where $\{x\}$ denotes the integer closest to the real number $x.$ Set Theory & Algebra kenneth-rosen discrete-mathematics set-theory&algebra descriptive + – admin asked Apr 20, 2020 • edited Apr 20, 2020 by Lakshman Bhaiya admin 168 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.