यदि \(A=\{1,2\}\) है, तो \(A\times A\) में कितने ordered pairs होंगे?
If \(A=\{1,2\}\), how many ordered pairs are there in \(A\times A\)?
Explanation opens after your attempt
C. (4)
Concept
If (n(A)=2), then (n\(A\times A\)=22=4). Use (n(A)2) while counting.
Why this answer is correct
The correct answer is C. (4). If (n(A)=2), then (n\(A\times A\)=22=4). Use (n(A)2) while counting.
Exam Tip
यदि (n(A)=2), तो (n\(A\times A\)=22=4)। संख्या गिनते समय (n(A)2) का प्रयोग करें।
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