यदि \(A=\{3,4\}\) और \(B=\{5\}\) हैं, तो कौन सा कथन सही है?
If \(A=\{3,4\}\) and \(B=\{5\}\), which statement is correct?
Explanation opens after your attempt
A. \(A\times B={(3,5),(4,5)}\)
Concept
The first component is (3) or (4) from (A), and the second component is (5) from (B). Do not confuse Cartesian product with union.
Why this answer is correct
The correct answer is A. \(A\times B={(3,5),(4,5)}\). The first component is (3) or (4) from (A), and the second component is (5) from (B). Do not confuse Cartesian product with union.
Exam Tip
पहला घटक (A) से (3) या (4) और दूसरा घटक (B) से (5) होगा। कार्तीय गुणन को संघ न समझें।
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