Answer provided by our tutors. Click to see the original problem. X ∈ r doesn't mean that x equals to r,. It means that x is. Web x e r means that x is a real number, i.e., that x is an element of the set of real numbers r.
Click to see the original problem. X ∈ r doesn't mean that x equals to r,. Web x e r means that x is a real number, i.e., that x is an element of the set of real numbers r. Click to see the original problem. It means that x is. Answer provided by our tutors.
