Question

​if A = {2,5,8,11,15} & B ={3,5,7,9,11,13,15}
Then B-A=.......
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Answer 1

Answer:

it is very simple the answer is

{ 3,7,9,13 }

this is absolutely correct

Step-by-step explanation:

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Answer 2

A = {2 , 5 , 8 , 11 , 15 }

B = { 3 , 5 , 7 , 9 , 11 , 13 , 15 }

B - A = { 3 , 5 , 7 , 9 , 11 , 13 , 15 } - {2 , 5 , 8 , 11 , 15 }

B - A = { 3 , 7 , 9 , 13 }

When we subtract any set from the other then first write all the numbers of first set and then cut out all the numbers which are common in both the sets.

The left over numbers will make a set which will be your final answer.