Question

If B ⊂ A then A U B = A. Explain with an example​

Answer 1

Answer:

let b= 1,2,3

and st be W be {1,2,3,4,5}

therefore we can say that B is a subset of A

now A U B is the set of elements in both the set

therefore u can write A U B = { 1,2,3,4,5} whis equal to A

Answer 2

Answer:

We will illustrate this relationship in the following example.

Example:

Given U = {1, 2, 3, 4, 5, 6, 7, 8, 10}

X = {1, 6, 9} and Y = {1, 3, 5, 6, 8, 9}

Find X ∪ Y and draw a Venn diagram to illustrate X ∪ Y.

Solution:

X ∪ Y = {1, 3, 5, 6, 8, 9}