यदि \(R=\{(1,2),(2,3),(1,3)\}\) और \(S=\{(2,1),(3,2),(3,1)\}\) हैं, तो (S) क्या है?

If \(R=\{(1,2),(2,3),(1,3)\}\) and \(S=\{(2,1),(3,2),(3,1)\}\), what is (S)?

Explanation opens after your attempt
Correct Answer

A. \(R^{-1}\)

Step 1

Concept

(S) contains the reverse of every pair in (R). Hence \(S=R^{-1}\).

Step 2

Why this answer is correct

The correct answer is A. \(R^{-1}\). (S) contains the reverse of every pair in (R). Hence \(S=R^{-1}\).

Step 3

Exam Tip

(S) में (R) के हर युग्म का उल्टा युग्म है। इसलिए \(S=R^{-1}\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(R=\{(1,2),(2,3),(1,3)\}\) और \(S=\{(2,1),(3,2),(3,1)\}\) हैं, तो (S) क्या है? / If \(R=\{(1,2),(2,3),(1,3)\}\) and \(S=\{(2,1),(3,2),(3,1)\}\), what is (S)?

Correct Answer: A. \(R^{-1}\). Explanation: (S) में (R) के हर युग्म का उल्टा युग्म है। इसलिए \(S=R^{-1}\) है। / (S) contains the reverse of every pair in (R). Hence \(S=R^{-1}\).

Which concept should I revise for this Mathematics MCQ?

(S) contains the reverse of every pair in (R). Hence \(S=R^{-1}\).

What exam hint can help solve this Mathematics question?

(S) में (R) के हर युग्म का उल्टा युग्म है। इसलिए \(S=R^{-1}\) है।