Question

If A = {1, 2} and B = {1,2,3,4} then B-A=​

Answer 1

• Step-by-step explanation:

To Find :

• B - A
• A = {1, 2}
• B = {1,2,3,4}

B - A means a set which contains Elements of only set B not of A.

B - A = {3 ' 4}

More About Sets :-

Set

A set is a well defined collection of objects.

Example :

• First 5 natural numbers

So,

Set of first 5 natural numbers is :

N = {1, 2 ,3 ,4 ,5}

Anyone can easily identify any element which belongs to this collection.

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