Question

The total number of non- empty subsets of a finite set. containing n elements is ....................​

Answer 1

Answer:

here is your answer

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Step-by-step explanation:

Number of proper subsets of a set containing n elements is 2

n

−1

So, a set containing 7 elements will have 2

7

−1=128−1=127 proper subsets

But one of these proper subsets is a null set.

Hence, number of non zero proper subsets will be 127−1=126

Answer 2

Answer:

2^n -1 is the answer to this question