यदि \(A=\{1,2,3\}\) और \(B=\{4,5\}\), तो (P\(A\times B\)) में कितने तत्व होंगे?
If \(A=\{1,2,3\}\) and \(B=\{4,5\}\), how many elements are in (P\(A\times B\))?
Explanation opens after your attempt
D. (64)
Concept
(n\(A\times B\)=3\cdot2=6), so (n(P\(A\times B\))=26=64). Use \(2^n\) for a power set.
Why this answer is correct
The correct answer is D. (64). (n\(A\times B\)=3\cdot2=6), so (n(P\(A\times B\))=26=64). Use \(2^n\) for a power set.
Exam Tip
(n\(A\times B\)=3\cdot2=6), इसलिए (n(P\(A\times B\))=26=64)। घात समुच्चय के लिए \(2^n\) लगाएं।
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