यदि \(R=\{(a,b):a,b\in {1,2,3,4},\ ab=4\}\), तो कौन सा ordered pair (R) में है?

If \(R=\{(a,b):a,b\in {1,2,3,4},\ ab=4\}\), which ordered pair is in (R)?

Explanation opens after your attempt
Correct Answer

A. ((1,4))

Step 1

Concept

For ((1,4)), \(1\cdot4=4\), so it is in (R). The other options do not have product (4).

Step 2

Why this answer is correct

The correct answer is A. ((1,4)). For ((1,4)), \(1\cdot4=4\), so it is in (R). The other options do not have product (4).

Step 3

Exam Tip

((1,4)) के लिए \(1\cdot4=4\), इसलिए यह (R) में है। दूसरे विकल्पों में गुणनफल (4) नहीं है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(R=\{(a,b):a,b\in {1,2,3,4},\ ab=4\}\), तो कौन सा ordered pair (R) में है? / If \(R=\{(a,b):a,b\in {1,2,3,4},\ ab=4\}\), which ordered pair is in (R)?

Correct Answer: A. ((1,4)). Explanation: ((1,4)) के लिए \(1\cdot4=4\), इसलिए यह (R) में है। दूसरे विकल्पों में गुणनफल (4) नहीं है। / For ((1,4)), \(1\cdot4=4\), so it is in (R). The other options do not have product (4).

Which concept should I revise for this Mathematics MCQ?

For ((1,4)), \(1\cdot4=4\), so it is in (R). The other options do not have product (4).

What exam hint can help solve this Mathematics question?

((1,4)) के लिए \(1\cdot4=4\), इसलिए यह (R) में है। दूसरे विकल्पों में गुणनफल (4) नहीं है।