 Hello and welcome to the session. In this session we discuss the foreign question it says, for the set of ordered pairs where the first component is a member of the set containing the elements 2468 and the second component is related to the first as given. First, we have the second component is half the first component and the other relation that we have is difference of the components is 2. Before we move on to the solution, let's discuss what is an ordered pair. An ordered pair of objects whose components in a special order have components a and b which occur in an order. And this component is the first component of the ordered pair and the component b is the second component of the ordered pair. The key idea that we use in this question to see with the solution now we are given containing the elements 2468. We are given that the second component is related to the first component and to the first relation we have that the second component is half the first component as according to the relation that the second component is half the first component. Now any question in the ordered pair the first component would be the member of the set a. I know the ordered pair in which the first component b2 which is a member of the set a. Now the relation is that the second component is half of the first component whereas the first component is 2. So the second component said b would be half of 2 which is equal to 1. So we get ordered pair 2 1. Now consider the ordered pair in which the first component is 4 or 4 is equal to 2. So 4 2 is the other ordered pair. Now consider the next ordered pair in which the first component is 3. So 6 3 is another ordered pair. Consider the ordered pair in which the first component is. So we have formed these ordered pair. The first components are from the set a and the second components are half of the first components. Thus we can say is equal to the set containing the ordered pairs 6 3 8 4. Now this is the up to form the set of ordered pairs according to the relation given in part b. That is the difference of the components of the ordered pairs must be 2 and the first component should belong to the set containing elements 2 4 6 8. Now here we have a set a with elements 2 4 ordered pair in which the first component is 2 which belongs to the set a. Now as the relation is that the difference of the two components is 2 and this b is equal to 2. Now a that is the first component is 2 minus the second component that is b is equal to 2. And from here we get b that is the second component is equal to 0. So we have formed an ordered pair 2 0. In the same way let's consider an ordered pair in which the first component is. Now for the second component we have 4 minus b is equal to 2 which gives us b equal to 2. That is the second component here would be as we have formed an ordered pair 4 2 with the first component as 6 minus b is equal to 2. And from here we get b equal to 4. So 6 4 is another ordered pair. In the same way consider the ordered pair in which the first component is. The first component is component we have 8 minus b is equal to 2. That is we get b equal to the ordered pairs. The first components belong to the set a is related to the first component that the relation that the difference of the components is 2. The set of set can belong to the ordered pairs 2 0 4 2. In the next session we hope you have understood the solution of this question.