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A ∧ B= (0;3 > iloczyn zbiorow (czesc wspolna)
A\B= <-1;0 >
B\A= (3; ∞ )
------------------------b)
A U B = ( -∞;2 )=A
A ∧ B= ( -3;2)
A\B=( -∞; -3 )
B\A = Ф (zbior pusty
-----------------
c)
A U B=( (-∞;1)U( < 4; ∞) ) lub R\ <1;4 )
A ∧ B= Ф
A\B=A
B\A=B
-----------
d)
AUB=A
A ∧B=B
A\B= (0;2 >
B\A=Ф
--------------------
AUB=R
A ∧ B={3}
A\B=( -∞;3 )
B\A=(3;∞) ; R zbior liczb rzeczywistych
--------------------
f)
AUB=R
A ∧ B=Ф
A\B=a
B\A=B