यदि (R) संक्रामी है और \((1,4)\in R\), \((4,9)\in R\), तो कौन सा युग्म अनिवार्य है?
If (R) is transitive and \((1,4)\in R\), \((4,9)\in R\), which pair is necessary?
Explanation opens after your attempt
C. \((1,9)\in R\)
Concept
In a transitive relation, ( (1,4) ) and ( (4,9) ) require ( (1,9) ). In exams, the middle element (4) is the common element.
Why this answer is correct
The correct answer is C. \((1,9)\in R\). In a transitive relation, ( (1,4) ) and ( (4,9) ) require ( (1,9) ). In exams, the middle element (4) is the common element.
Exam Tip
संक्रामी संबंध में ( (1,4) ) और ( (4,9) ) से ( (1,9) ) मिलना चाहिए। परीक्षा में बीच का (4) common element होता है।
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