kekoanabor19
14.09.2019 •
Mathematics
Find cardinality of set b
b = {∅, {1}, {1, 2}, {1, 2,3}, · · · , {1, 2, · · · , m}}
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Ответ:
m + 1
Step-by-step explanation:
Given set,
B = {∅, {1}, {1, 2}, {1, 2,3}, · · · , {1, 2, · · · , m}},
Since, the elements of S are,
{} , {1}, {1, 2}, {1, 2, 3} {1, 2,m }
Thus, every next set contains one more succeeding natural number than the previous set.
So, if the last set contains m natural numbers.
Then there are 'm + 1' sets in B ( m sets included ∅ )
Hence, the number of elements in B is 'm+1'
I.e. Cardinality of B is m + 1.
Ответ:
c
Step-by-step explanation: