union of two sets

If two sets are given, a set can be formed by using all the elements of the two sets. Such a collection is called the union of the given sets..

Union of sets - If two sets are given, a set can be formed by using all the elements of the two sets. Such a collection is called the union of the given sets..

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A set A is said to be a proper subset of set B if A is a subset of B and A is not equal to B. If A is a proper subset of B, then we write A B. In order to show that A B it is sufficient to show that each element of A is in B and there is at least one element in B, which is not i..

If A and B are two sets, we define their symmetric difference as the set of all elements that belong to A or to B, but not both A and B, and we denote it by A D B. Thu..

The relative complement of set B in set A is the complement of B in ..

There are two methods of representing a set. (i) Roster Method (ii) Set builder fo..

Two sets A and B are said to be equal if and only if they contain the same elements i.e. if every element of A is in B and every element of B is in A. We denote the equality by A = ..

How many in the set of figures shown has only two equal sides? => 1 or 3 or 4 or 2..