How to find:
A U B
A U C
A Π B
A Π C
B Π C
B U C
(A U B) Π C
( A U B) U C
C U A
A U B U C
set A={mango, grapes, banana, orages, apples}
Set B= {Lettuce , pea , tomato , taro , pumpkin , coriander}
Set C= {Coffee , milk , beer ,wine}
note: U is a sign of united or union and Π is intersection sign
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what is this ? I am not understanding