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# Derivative

Creates a new function representing the derivative of the expression/variable that was passed into it.

1\derivative[<action>]{<variable>}{<expression>}{<free_variable>} 
• action, variable and expression are identical to the input of a \function command.
• free_variable defines the free variable in the given expression.
• $$f_1 = 4x^3 + 2 \cdot 3x^2$$ is the output of

123456\derivative{f_1}{x^4 + 2*x^3}{x} % and is equal to the following \function{f}{x^4 + 2*x^3}\derivative{f_1}{f}{x}