Question

If A={1,2,3,4,5,6,7,8,9,10), B= (1,3,5,7,9) Then A-B-​

Answer 1

Step-by-step explanation:

(A*B) is relation from set A having elements 1,2,3,4,5,6 to set B having elements 1,3,5,7 .

So we will different different ordered pair like

For ex. From set A if we pick 1 we have four choices to map it with 1,3,5,7 which are in 8 so like this way each element in set A has 4 choices so total no. Of ordered pair will be 6*4= 24

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Answer 2

Answer:

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