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3241004551 [841]
3 years ago
9

Find cardinality of set B B = {∅, {1}, {1, 2}, {1, 2,3}, · · · , {1, 2, · · · , m}}

Mathematics
1 answer:
hammer [34]3 years ago
5 0

Answer:

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.

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Answer:

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Step-by-step explanation:

4x - 9y = 7 (1)

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1. To eliminate x-term, multiply the second by -2

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4(-9.5) - 9y = 7

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Step-by-step explanation:

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