Use the following information:
-
= {x|x is a natural number less than 21}
A= {x|x is a...
Mathematics, 05.02.2022 02:00 petroale000
Use the following information:
-
= {x|x is a natural number less than 21}
A= {x|x is an odd natural number less than 13}
B = {x|x is a prime number greater than 5}
(Note: The prime numbers less than 21 are 2, 3, 5, 7, 11, 13, 17, 19.)
Find the cardinality of the set AUB.
n(AUB) =
=
Х
5
Answers: 2
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