EQUATION IN REAL NUMBERS-28 Posted on January 4, 2019 by ssmrmh Proposed by Rovsen Pirguliyev-Sumgait-Azerbaijan EQUATION IN REAL NUMBERS-28 Solution 1 by Santos Martins Junior-Brusels-Belgium, Solution 2 by Shafiqur Rahman-Bangladesh, Solution 3 by Soumava Chakraborty-Kolkata-India