यदि \(A\cap B=\varnothing\), तो (\(A\cup B\)') किसके बराबर है?
If \(A\cap B=\varnothing\), what is (\(A\cup B\)') equal to?
Explanation opens after your attempt
Correct Answer
A. \(A'\cap B'\)
Concept
By De Morgan's law, (\(A\cup B\)'=A'\cap B') is true in all cases. The condition \(A\cap B=\varnothing\) is extra information here.
Why this answer is correct
The correct answer is A. \(A'\cap B'\). By De Morgan's law, (\(A\cup B\)'=A'\cap B') is true in all cases. The condition \(A\cap B=\varnothing\) is extra information here.
Exam Tip
डी मॉर्गन नियम के अनुसार (\(A\cup B\)'=A'\cap B') हर स्थिति में सत्य है। \(A\cap B=\varnothing\) यहां अतिरिक्त जानकारी है।
Login to save your score, XP, coins and progress.