Question

A-B will contain element in​

Answer 1

Answer:

c) B not in A

hope it helps

Answer 2

A - B will contain elements in A not in B

Given :

The set A - B

To find :

A - B will contain elements in

a) Both A and B

b) A not in B

c) Neither A nor B

d) B not in A

Solution :

Step 1 of 2 :

Define A - B

For two sets A and B the difference of two sets is denoted by A - B and defined as

A - B = { x ∈ A : x ∉ B }

For example ,

Suppose A = { 1 , 2 , 3 , 4 } and B = { 1 , 4 }

Then A - B = { 2 , 3 }

Step 2 of 2 :

Choose the correct option

We see that A - B is the set of elements which are in A but not in B

Hence the correct option is b) A not in B

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