Re: DSE 2007

Posted by yuganshi on Jun 22, 2014; 6:34am
URL: http://discussion-forum.276.s1.nabble.com/DSE-2007-tp7593218p7593335.html

For ques 44 and 45 the following rules are used
rule 1: intersection of an open set is always a closed set hence 44 ans is d

rule 2: union of a closed set is always an open set hence 45 ans is c ....