यदि \(A=\{a\}\) और \(B={b_1,b_2}\) है, तो \(A\times B\) कौन सा है?
If \(A=\{a\}\) and \(B={b_1,b_2}\), which is \(A\times B\)?
Explanation opens after your attempt
Correct Answer
A. ({\(a,b_1\),\(a,b_2\)})
Concept
The element (a) of (A) stays in the first position and both elements of (B) come in the second position. The same rule works for letter elements too.
Why this answer is correct
The correct answer is A. ({\(a,b_1\),\(a,b_2\)}). The element (a) of (A) stays in the first position and both elements of (B) come in the second position. The same rule works for letter elements too.
Exam Tip
(A) का (a) पहले स्थान पर रहेगा और (B) के दोनों तत्व दूसरे स्थान पर आएंगे। अक्षरों वाले प्रश्नों में भी नियम वही रहता है।
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