यदि \(A-B=A\cap B'\), तो ((A-B)') किसके बराबर है?
If \(A-B=A\cap B'\), then ((A-B)') is equal to which expression?
Explanation opens after your attempt
A. \(A'\cup B\)
Concept
((A-B)'=\(A\cap B'\)'=A'\cup B). Writing difference using complement is a fast method.
Why this answer is correct
The correct answer is A. \(A'\cup B\). ((A-B)'=\(A\cap B'\)'=A'\cup B). Writing difference using complement is a fast method.
Exam Tip
((A-B)'=\(A\cap B'\)'=A'\cup B)। अंतर को पूरक के रूप में लिखना तेज तरीका है।
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