Question

whats the definition of universal set ( in sets chapter ) ​

Answer 1

Answer:

A universal set which is usually denoted by 'U' is a set which has elements of all the related sets , without any repetition of elements.

Step-by-step explanation:

If A and B are two sets, then

For example : A={1,2,3}

B={1,a,b,c}

then U={1,2,3,a,b,c}

Answer 2

Step-by-step explanation:

This larger set is called the universal set, and is usually given the symbol E. In a Venn diagram, the universal set is generally drawn as a large rectangle, and then other sets are represented by circles within this rectangle. ... The region inside the circle represents the set A of odd whole numbers between 0 and 10.