A union B set Venn diagram
Definition of union:The set of all element of set A and set B is called union and removing all repeated element in union of set A and B. mathematically sign of union is U. A union B set is denoted by
A U B
A union B set Venn diagram:
EXAMPLE:
A = { 1,2,3,4}, B = { 3, 4,5}
A U B = { 1,2,3,4}U{ 3, 4,5} = { 1,2,3,4,5}
Here 3 and 4 are repeated element we removed it.
UNION in set form symbolically:
The union of two set A and B , is denoted by A U B is the set of all element , which belong to A or B , Symbolically.
| means such that;
x ∈ = is the member of A
∨=means or
x ∈= member of B
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