Wyznacz zbiory A U B, A ∩ B, A \ B, B \ A, jeżeli A = (- ∞ ;3) i B = < - 1;5) .
Bardzo prosze o pomoc
Dam naj.
A = ( - oo;3) , B = < - 1; 5 )
to
A u B = ( -oo; 5 )
A n B = < - 1; 3)
A \ B = ( - oo; - 1)
B \ A = < 3 ; 5 )
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A = ( - oo;3) , B = < - 1; 5 )
to
A u B = ( -oo; 5 )
A n B = < - 1; 3)
A \ B = ( - oo; - 1)
B \ A = < 3 ; 5 )
===================