Question

Podaj elementy zbioru A∩B.
a) A={0,1,2,3,4,5,6}, B={√4,√5,√6,√9}
A∩B=...................
b) A={x ∈ N : x² < 25}, B = {x ∈ N : x² ≥ 4}
A∩B = ..................
c)A={x ∈ C : x² ≤ 36}, B={x ∈ C : x² > 16}
A∩B= ...................

Answer 1

A) liczby 2 i 3
A∩B={2,3}
b)
A∩B= {4}
c) A∩B={5,6}