Question

Number of subsets is also known as Cardinal number of a particular set?
Class-11
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Answer 1

Answer:

The number of distinct elements in a finite set is called its cardinal number. It is denoted as n(A) and read as 'the number of elements of the set'. For example: (i) Set A = {2, 4, 5, 9, 15} has 5 elements.

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.” Page 9 Example. Find the cardinal number of each set. (a) The set A of counting numbers between ten and twenty.

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Answer 2

Answer:

The number of distinct elements in a finite set is called its cardinal number. It is denoted as n(A) and read as 'thenumber of elements of the set'. For example: (i) Set A = {2, 4, 5, 9, 15} has 5 elements.