Question

in a set what does small n denotes ​

Answer 1

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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". Example. (a) The set A of counting numbers between ten and twenty.

Answer 2

Answer:

The symbol ∉ shows that a particular item is not an element of a set. Definition: 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.”

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