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# Basics of Sets and Relations #3

rahul_gaikwad + 0 comments **Number of elements in Only in A, except for anything in its overlap with B**

- BR
brian_reink + 0 comments pls specify we canĀ“t use '{}' caracters. Thanks.

ajocelynpatrick + 0 comments A\B = Intersection of A and Not B

All elements in A that is not in B

vijayasrisriniv1 + 0 comments The number of elements in A-B = 1

The element in A-B is {1}

- SD
sidharthdas268 + 0 comments A-B = {1} So number of elements preasent in the set is 1

- NR
Fe510NR + 0 comments Maybe Chrome does not display correctly

LessIsMore + 1 comment count how many are in A and B and subtract to get the answer..

- SC
st528 + 1 comment When A-B is given, We need to find the number of values in A which are not present in B. This leaves us with A-B={1} -

If the question would have been B-A, then B-A ={8}

Given Set A = {1,2,3,4,5,6} Set B = {2,3,4,5,6,7,8}

- OA
antoniro + 0 comments you forgot '7' in your B-A calculation:

B-A = {7,8}

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