Answer:
Definition: A set is a well-defined collection of distinct objects. The objects of a set are called its elements. If a set has no elements, it is called the empty set and is denoted by ∅. ...
B. ⋂ ...
Commutative Properties: For a, b ∈ R, • a + b = b + a. ...
R can be represented by points on a line called the Real Number Line. An.
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