"b" is simply a letter in algebra to replace an unknown number.
Chat with our AI personalities
The union of sets A and B, that is, the set of all elements that are either in A or B (or both).
The union of two sets A and B is a set that consists of all elements which are either in A, or in B or in both.
Commutative Law: a + b = b + a or a × b = b × a
It is used in set theory to indicate intersection. The intersection of two sets, A and B, is the set of all elements that are in A as well as in B.
What does length mean in math