For two non-empty sets A and B, B - A?
- {x/x ∈ or x ∈ B}
- {x/x ∈ And x ∈ B}
- {x/x ∉ and x ∈ B}
- None of these
Explanation
B - A represents the set of elements that are in B but not in A.
The correct notation is: {x | x ∈ B and x ∉ A}
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اس سوال کو وضاحت کے ساتھ پڑھیں
