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Homework answers / question archive / Find some sets using operations of sets; U = {0,1,2,3,4,5,6,7,8,9,10} A = {2,3,5,7,10} B= {3,4,0,1,9,8} C= {2,3,1,0,6,8} a
Find some sets using operations of sets;
U = {0,1,2,3,4,5,6,7,8,9,10}
A = {2,3,5,7,10}
B= {3,4,0,1,9,8}
C= {2,3,1,0,6,8}
a.) B'
b.) A U B
c.) ( B U C )' ? A
d.) ( A ? C') U B
e.) (B' U A') - ( A U C')
given sets are:-
U = {0,1,2,3,4,5,6,7,8,9,10}
A = {2,3,5,7,10}
B= {3,4,0,1,9,8}
C= {2,3,1,0,6,8}
A.)
for B' ( it is the set which contains the elements which are present in U but not B i.e. U - B )
B'= {2,5,6,7,10}
B.) A U B
it contains all the elements that are present in both A and B.
A U B = {0,1,2,3,4,5,7,8,9,10}
c.) ( B U C )' ? A
first we will calculate B U C
B U C = {3,4,0,1,9,8} U {2,3,1,0,6,8}
= {0,1,2,3,4,6,8,9}
(B U C)' = U - (B U C)
={5,7,10}
(B U C)' ? A = {5,7,10} ? {2,3,5,7,10}
={ 5,7,10}
d.) ( A ? C') U B
first calculate C' = U - C = {0,1,2,3,4,5,6,7,8,9,10} - {2,3,1,0,6,8}
C' = { 4,5,7,9,10}
A ? C' = {2,3,5,7,10} ? { 4,5,7,9,10}
= {5,7,10}
(A ? C') U B = {5,7,10} U {3,4,0,1,9,8}
= { 0,1,3,4,5,7,8,9,10 }
e.) (B' U A') - ( A U C')
C' = { 4,5,7,9,10}
A = {2,3,5,7,10}
A U C' = {2,3,4,5,7,9,10}
B' = {2,5,6,7,10}
A' = U - A = {0,1,2,3,4,5,6,7,8,9,10} - {2,3,5,7,10}
= {0,1,4,6,8,9}
B' U A' = {2,5,6,7,10} U {0,1,4,6,8,9}
= {0,1,2,4,5,6,7,8,9,10}
(B' U A') - ( A U C') = {0,1,2,4,5,6,7,8,9,10} - {2,3,4,5,7,9,10}
={0,1,6,8}