यदि \(A=\{8\}\) और \(B=\{1,3,5\}\) हैं, तो \(A\times B\) कौन सा है?
If \(A=\{8\}\) and \(B=\{1,3,5\}\), which is \(A\times B\)?
Explanation opens after your attempt
Correct Answer
A. ({(8,1),(8,3),(8,5)})
Concept
(8) stays in the first position and elements of (B) come in the second position. Order does not change even with a singleton set.
Why this answer is correct
The correct answer is A. ({(8,1),(8,3),(8,5)}). (8) stays in the first position and elements of (B) come in the second position. Order does not change even with a singleton set.
Exam Tip
(8) पहले स्थान पर रहेगा और (B) के तत्व दूसरे स्थान पर आएंगे। एकल समुच्चय होने पर भी क्रम नहीं बदलता।
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