Question

define set ,subset, union of sets​

Answer 1

Answer:

Thus, the set A ∪ B—read “A union B” or “the union of A and B”—is defined as the set that consists of all elements belonging to either set A or set B (or both).

Answer 2

Answer:

A set is a collection of well defined and distinct objects, numbers etc.

Take,

A={1,2,3,4}

B={2,3}

As all the elements in set A are in set B, set B is a subset of A. A set is a subset of another set if all the elements of the former are present in the next one.

A={2,3,4}

B={5,4}

A and B are two sets.

C ={2,3,4,5}

C is union of seta A and B as it contains all the elements of both the sets...

Hope it helps uh !