Question 259827: Given U = {15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25}, A = {16, 18, 20, 22}, and
B = {17, 19, 20, 23, 24}.
Find A′ ∩ B′. Do not skip to the answer. Show your work, finding A’, then B’ then find their intersection.
Found 2 solutions by Fombitz, drk:
Answer by Fombitz(32388)   (Show Source):
You can put this solution on YOUR website! A'={15, 17, 19, 21, 23, 24, 25}
B'={15, 16, 18, 21, 22, 25}
A′ ∩ B′={15,21,25}
Answer by drk(1908)  (Show Source):
You can put this solution on YOUR website! We start with
U = {15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25},
A = {16, 18, 20, 22},
B = {17, 19, 20, 23, 24}
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A' = {15, 17, 19, 21, 23, 24, 25}
B' = {15, 16, 18, 21, 22, 25}
--
A' n B' = {15, 21, 25}
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