Post on 30-Dec-2015
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1 ,-, , 09 , , -
2 50 01/02/2014
AB 9
AB
AUB AB AUB = {1,2,3}U{2 ,a} ={1,2,3, a} AB ={1,2,3} {2,a} ={2} Ans:{1,2,3,a} {2}A={a, b, c} B={b. d}
AUB
) {a , b,c} ) {b}
){a,b,c,d} ) {d}A= {1,2,3SS} B={2,3}
AB
) {2,3} ) {1,2,3}
) {1,2} ) {1}15 :P Q 21 35 PUQ