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 ...
A calculus equation is a mathematical expression that establishes a relationship between one or more unknown functions and their calculus, and is widely used to describe systems in economics 1, ...
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