how to represent AUB in venn diagram
Answers
The shaded portion represents the set name below the diagram.
Let A and B be the two sets.
The union of A and B is the set of all those elements which belong either to A or to B or both A and B.
Now we will use the notation A U B (which is read as 'A union B') to denote the union of set A and set B.
The set of A U B may be represented by the shaded portion in venn diagram.
The three situations are :
- A and B are overlapping sets
- A and B are disjoint sets
- A ⊆ B
These 3 situations are represented in the diagram below.
Venn Diagrams:
- A Venn diagram is a closed figure used to denote a set. Points within such a closed figure represents the elements of the set.
- The universal set U is usually represented by a rectangle. All other sets are represented by closed curves (usually circles) within the rectangle.
- All the elements of a set are indicated by points inside the circle representing the set.
- The elements can also be written inside the circle without marking the points.
- An object that is not a member of a set is placed outside the circle representing the set.
Learn more on Brainly:
In the venn diagram showing in the attachment representing:
A = {1,3,3,5,7} and B = {4,6,8}, then A U B = {1,2,3,4,5,6,7,8}
Let A and B be two sets such that: n (A) = 20, n (A U B ) = 42 and n ( A B ) = 4 Find (i) n (B ) (ii) n (A – B ) (iii) n ( B – A )
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2. Given n (A)h = 285, n(B) = 195, n(U) = 500, n (A U B ) = 410, find n(A U B)
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