यदि \(A=\{1,2,3\}\) और \(B=\{a,b\}\) हैं, तो (A) से (B) तक कुल कितने संबंध संभव हैं?
If \(A=\{1,2,3\}\) and \(B=\{a,b\}\), how many relations are possible from (A) to (B)?
Explanation opens after your attempt
Correct Answer
B. (64)
Concept
Since \(A\times B\) has \(3\times2=6\) elements, the number of relations is \(2^6=64\). In exams, count the elements of \(A\times B\) first.
Why this answer is correct
The correct answer is B. (64). Since \(A\times B\) has \(3\times2=6\) elements, the number of relations is \(2^6=64\). In exams, count the elements of \(A\times B\) first.
Exam Tip
क्योंकि \(A\times B\) में \(3\times2=6\) अवयव हैं, इसलिए संबंधों की संख्या \(2^6=64\) है। परीक्षा में पहले \(A\times B\) के अवयव गिनें।
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