यदि \((u,v)\in A\times B\) है, तो (u) किस समुच्चय से होना चाहिए?
If \((u,v)\in A\times B\), from which set must (u) come?
Explanation opens after your attempt
A. (A)
Concept
In \(A\times B\), the first component always comes from the first set (A). This is the basic identity of Cartesian product.
Why this answer is correct
The correct answer is A. (A). In \(A\times B\), the first component always comes from the first set (A). This is the basic identity of Cartesian product.
Exam Tip
\(A\times B\) में पहला घटक हमेशा पहले समुच्चय (A) से होता है। यही कार्तीय गुणन की मूल पहचान है।
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