यदि \(R=\{(1,3),(2,4)\}\) \(A=\{1,2\}\) से \(B=\{3,4,5\}\) में है, तो (R) का परिसर क्या है?

If \(R=\{(1,3),(2,4)\}\) is a relation from \(A=\{1,2\}\) to \(B=\{3,4,5\}\), what is the range of (R)?

Explanation opens after your attempt
Correct Answer

B. ({3,4})

Step 1

Concept

The range is formed only from second components actually appearing in the relation. (5) is in the codomain, but not in the range.

Step 2

Why this answer is correct

The correct answer is B. ({3,4}). The range is formed only from second components actually appearing in the relation. (5) is in the codomain, but not in the range.

Step 3

Exam Tip

परिसर केवल उन दूसरे अवयवों से बनता है जो संबंध में सच में आए हैं। (5) सहप्रांत में है, पर परिसर में नहीं है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(R=\{(1,3),(2,4)\}\) \(A=\{1,2\}\) से \(B=\{3,4,5\}\) में है, तो (R) का परिसर क्या है? / If \(R=\{(1,3),(2,4)\}\) is a relation from \(A=\{1,2\}\) to \(B=\{3,4,5\}\), what is the range of (R)?

Correct Answer: B. ({3,4}). Explanation: परिसर केवल उन दूसरे अवयवों से बनता है जो संबंध में सच में आए हैं। (5) सहप्रांत में है, पर परिसर में नहीं है। / The range is formed only from second components actually appearing in the relation. (5) is in the codomain, but not in the range.

Which concept should I revise for this Mathematics MCQ?

The range is formed only from second components actually appearing in the relation. (5) is in the codomain, but not in the range.

What exam hint can help solve this Mathematics question?

परिसर केवल उन दूसरे अवयवों से बनता है जो संबंध में सच में आए हैं। (5) सहप्रांत में है, पर परिसर में नहीं है।