State true or false and your reason for choosing that and an example for each.
Set notation.
A' U B' is equal to (A U B)'
A'∩ B' is equal to (A ∩ B)'
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let the universal set be u={1,2,3,4,5,6,7,8,9
a={1,2,5}
b=[4,5,8}
A'=u-a
={3,4,6,7,8,9}
B'=u-b
={1,2,3,6,7,9}
A'UB'={1,2,3,4,5,6,7,8,9}
so it is false
A' intersectionB'= { }
so it is false
a={1,2,5}
b=[4,5,8}
A'=u-a
={3,4,6,7,8,9}
B'=u-b
={1,2,3,6,7,9}
A'UB'={1,2,3,4,5,6,7,8,9}
so it is false
A' intersectionB'= { }
so it is false
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