What Is Null Set,Sub Set And Universal Set

What is null set,sub set and universal set

 

Answer:

a null set is a set with no elements. a subset is a set inside a set, it is a set thats elements are all included in another set.

for example: A={1,2,3}      B={1,2,3,4,5}

     in set B, all the elements of set A are included, therefore, Set A is a subest of set B.

a universal set is a set that combines every elements of every set.

example:

A={1,2,3}    B={4,5,6}    C={7,8,9,10}

D={1,2,3,4,5,6,7,8,9,10}

in here, set D is a universal set because every element of set A,B and C are included

Step-by-step explanation:


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