Mathematics 1 Deneme Sınavı Sorusu #1407429

Let A = {a, b, c, d}. Find the number of all nonempty subsets of A?


3

7

17

31

63


Yanıt Açıklaması:

n = s(A) = 4, 2n = 24 = 16.

A has only one empty subset Ø, therefore the number of nonempty subsets is 16 – 1 = 15.

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