HCU MCA 2015 Paper

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Question : 59 of 75

Marks: +1, -0

Which of the following is TRUE about all sets A, B, C ?

$\A-(\B-\C)=(\A-\B)-\C$
$(\A-\B)∩(\C-\B)=(\A∩\C)-\B$
if $\A∩\C=\B∩\C \then \A=\B$
if $\A∪\C=\B∪\C \then \A=\B$

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