Wyznacz zbiory AuB, AnB ,A\B, B\A, gdy
a. A={-2, -1, 0, 1, 2} i B={-3, -1, 1, 3}
b. A=(-& ,2> i B=<-2, 2>
c. A={-5 ,4> i B<-1,0)
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a)
AuB (-3,-2,-1,0,1,2,3)
AnB (-1,1)
A\B (-2,0,2)
B\A (-3,3)
b)
AuB (-∞,2>
AnB <-2, 2>
A\B (-& ,2)
B\A (zbiór pusty)
c)
AuB (-5 ,4>
AnB <-1,0)
A\B (-5,-1)+<0,4>
B\A (zbiór pusty)