If A={8,10,12,14,16,18,20
} find n A. questions. are A. 4. b.8. c.7. d.6
Answers
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9
Answer:
c.7 because no. of terms are 7
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0
Concept
In mathematics, a set is a well-defined collection of objects or elements. The set is represented by an uppercase symbol, and the number of elements in a finite set is represented by the radix of the set enclosed in curly braces {…}.
Given
We have given a set A = {8,10,12,14,16,18,20} and 4 options which are following
a. 4
b. 8
c. 7
d. 6
Find
We are asked to determine the number of element consisting in set A .
Solution
The number of elements in a set is called the cardinal number, or cardinality, of the set.
This is denoted as n(A), read “n of A” or “the number of
elements in set A.”
The given set A contains 7 elements . It matches with the option (c)
Hence, the option (c) is the correct answer
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