यदि \(C=\{2,3,5\}\) है, तो \(C\times C\) में कितने तत्व होंगे?
If \(C=\{2,3,5\}\), how many elements are in \(C\times C\)?
Explanation opens after your attempt
C. (9)
Concept
(n(C)=3), so (n\(C\times C\)=3\times 3=9). The multiplication rule applies even with the same set.
Why this answer is correct
The correct answer is C. (9). (n(C)=3), so (n\(C\times C\)=3\times 3=9). The multiplication rule applies even with the same set.
Exam Tip
(n(C)=3), इसलिए (n\(C\times C\)=3\times 3=9)। समान समुच्चय के साथ भी गुणा नियम लागू रहता है।
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