Simplify or manipulate expressions involving polynomial, radical, exponential, or logarithmic terms using appropriate properties and rules Use numeric or variable substitution while working with ...

Let ${\mathrm{\sigma }}_{\mathrm{i}}({\mathrm{x}}_{1},\mathrm{.}\mathrm{.}\mathrm{.},\text{\hspace{0.17em}}{\mathrm{x}}_{\mathrm{n}})\text{\hspace{0.17em}}=\text ...