Let S be the universal set, where: S = {1, 2, 3, 18, 19, 20} .... Let sets A and B be subsets of S, where: Set A = {1, 2, 3, 4, 5, 6, 7, 13, 15, 16, 17, 19, 20} Set B = {3, 8, 10, 11, 12, 13, 17, 19, 20} Find the following: The number of elements in the set (AUB): n(AUB) = The number of elements in the set (An B): n(An B) is

MATLAB: An Introduction with Applications
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Let S be the universal set, where:
S = {1, 2, 3, ..., 18, 19, 20}
Let sets A and B be subsets of S, where:
Set A = {1, 2, 3, 4, 5, 6, 7, 13, 15, 16, 17, 19, 20}
Set B = {3, 8, 10, 11, 12, 13, 17, 19, 20}
Find the following:
The number of elements in the set (AUB):
n(AUB) =
The number of elements in the set (An B):
n(An B) is
You may want to draw a Venn Diagram to help answer this question.
Transcribed Image Text:Let S be the universal set, where: S = {1, 2, 3, ..., 18, 19, 20} Let sets A and B be subsets of S, where: Set A = {1, 2, 3, 4, 5, 6, 7, 13, 15, 16, 17, 19, 20} Set B = {3, 8, 10, 11, 12, 13, 17, 19, 20} Find the following: The number of elements in the set (AUB): n(AUB) = The number of elements in the set (An B): n(An B) is You may want to draw a Venn Diagram to help answer this question.
Expert Solution
Step 1

We have given that

Let S be the universal set, where:
S= {1, 2, 3, .., 18, 19, 20}
And, A and B be subsets of S, where
Set A ={1, 2, 3, 4, 5, 6, 7, 13, 15, 16, 17, 19, 20}
Set B = {3, 8, 10, 11, 12, 13, 17, 19, 20}

Hence, 

n(A) = 13

n(B) = 9

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