यदि \(A\cap B=\varnothing\), (n(A)=6), और (n(B)=11), तो (n\(A\cup B\)) क्या है?
If \(A\cap B=\varnothing\), (n(A)=6), and (n(B)=11), what is (n\(A\cup B\))?
Explanation opens after your attempt
C. (17)
Concept
For disjoint sets, the common part is (0), so (n\(A\cup B\)=6+11=17). Add separate circles directly.
Why this answer is correct
The correct answer is C. (17). For disjoint sets, the common part is (0), so (n\(A\cup B\)=6+11=17). Add separate circles directly.
Exam Tip
असंबद्ध समुच्चयों में साझा भाग (0) होता है, इसलिए (n\(A\cup B\)=6+11=17)। अलग-अलग वृत्तों को सीधे जोड़ें।
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