A U B={1,2,3,5,7}
A n B={3,5}
solution,
U=(1,2,3,4,5,6,7}
A={1,3,5,7}
B={2,3,5}
Now,
A U B
={1,3,5,7} U{2,3,5}
={1,2,3,5,7}
A n B
={1,3,5,7} n {2,3,5}
={3,5}
please see the attached picture..
Hope this helps..
Good luck on your assignment
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