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you are confusing expressions with functions f(x) = x/(x - 1), then f(x) is a rational function x/(x - 1) is an expressionsame for g(x)a rational expression in more than two variables: (xyz^2)/(5x^2y^3z^-1)
you are confusing expressions with functions
f(x) = x/(x - 1), then f(x) is a rational function
x/(x - 1) is an expression
same for g(x)
a rational expression in more than two variables: (xyz^2)/(5x^2y^3z^-1)
