यदि \(A=\{1,2,3,4\}\) और \(R=\{(a,b):a>b\}\), तो (R) का प्रांत क्या है?
If \(A=\{1,2,3,4\}\) and \(R=\{(a,b):a>b\}\), what is the domain of (R)?
Explanation opens after your attempt
Correct Answer
B. ( {2,3,4} )
Concept
The first component must be greater than some smaller (b), so (2,3,4) appear. (1) is not greater than any \(b\in A\).
Why this answer is correct
The correct answer is B. ( {2,3,4} ). The first component must be greater than some smaller (b), so (2,3,4) appear. (1) is not greater than any \(b\in A\).
Exam Tip
पहला घटक ऐसा होना चाहिए जो किसी छोटे (b) से बड़ा हो, इसलिए (2,3,4) आते हैं। (1) किसी भी \(b\in A\) से बड़ा नहीं है।
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