Question

Q Determine whether A is a subset of B in the following:
1)A=[sets of all even numbers] , B=[sets of whole numbers]
2)A=[1,2,3] , B=[1,2,3,4,5,6,7,8,9]
3)A=[all writing equipments of a stationary shop] , B=[pens]
4)A=[sedan] , B=[cars]

Q If X=[1,3,7],Y=[2,3,5] and Z=[1,4,8], then verify that:
1) X ∪ (Y ∪ Z)=(X ∪ Y) ∪ Z
2) X ∩ (Y ∩ Z)=(X ∩Y) ∩ Z

Q If A=[a,e,i,o,u], B=[a,b,c] and C=[a,c,e,g], then verify that:
1) B ∪ C = C ∪ B
2) B ∩ C = C ∩ B

Answer 1

Answer:

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