If `A={1,2,3,4,5},\ B={4,5,6,7,8},\ C={7,8,9, 10 , 11}a n d\ D={10 , 11 , 12 , 13 , 14}` . Find: `Ann(BuuC)`

Explanation

We have given `A={1,2,3,4,5}`, `B={4,5,6,7,8}`, `C={7,8,9,10,11}` and `D={10,11,12,13,14}`

Then the union of two sets can be defined as the set that consists of all elements belonging to either one set or other set (or both), and the intersection of two sets is the largest set that contains all the elements that are common to both the sets.

`\Rightarrow` `BuuC``={4,5,6,7,8}∪{7,8,9,10,11}=``{4, 5, 6, 7, 8,9,10,11}`

Now `Ann(BuuC)``={1,2,3,4, 5,}nn{4,5,6,7,8,9,10,11}={4,5}`

Hence we have `Ann(BuuC) = {4, 5 }`.