Hyperboloids of 2 Sheets Whose Axis is the x-axis

This is the equation of a hyperboloid of 2 sheets whose axis is the x-axis

> hyper2sx:=x^2/a^2-y^2/b^2-z^2/c^2=1;

Let's check it out for a=1, b=2, and c=3

> hyper2sx1:=subs({a=1,b=2,c=3},hyper2sx);

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Plot of the hyperboloid "hyper2sx1"