In the past few years, the popularity of fractional calculus increased due to its application in various branches of science and technology 1,2,3,4,5. Many physical problems arise from different ...

with all the coefficients are fuzzy numbers. The FNE as follows, $$\begin{aligned} \begin{aligned}&{\tilde{a}}_{1}{\tilde{x}}^{3} + {\tilde{b}}_{1}{\tilde{x}}^{2 ...