किस स्थिति में संबंध (R) सममित कहलाता है?
When is a relation (R) called symmetric?
Explanation opens after your attempt
Correct Answer
A. यदि \((a,b)\in R\Rightarrow (b,a)\in R\)If \((a,b)\in R\Rightarrow (b,a)\in R\)
Concept
In symmetry, the reverse of every pair must also be in the relation. This is the correct condition among the options.
Why this answer is correct
The correct answer is A. यदि \((a,b)\in R\Rightarrow (b,a)\in R\) / If \((a,b)\in R\Rightarrow (b,a)\in R\). In symmetry, the reverse of every pair must also be in the relation. This is the correct condition among the options.
Exam Tip
सममितता में हर युग्म का उल्टा युग्म भी संबंध में होना चाहिए। विकल्पों में यही सही शर्त है।
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