“…Due to the significance of FS (1), many researchers have obtained exact solutions for this equation by using various methods, including generalized Kudryashov method [31], simplified extended tanh-function [32], expfunction method [33], Jacobi elliptic function expansion [34,35], sine-cosine and extended rational sinh-cosh methods [36], modified mapping method [37], Hirota's bilinear method [38], k exp( ( )) y --expansion method [39], Painlevé analysis method [40] and new Kudryashov approach [41].…”