Lista de exercícios do ensino médio para impressão
is a set
with 5 elements, how many are the subsets
The subsets of A are 32 subsets×
If A contains k elements, so there are 2k subsets of A.Solution
n(A) = 5 ⇒ n[P(A)] = 25
Obs.: n[P(A)] means number of parts of A or number of subsets of A.