A relation R on A = {(1,1) (2,1) (3,1) is not a symmetric . why ? .
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Answer:
It is not a symmetric relation.
Step-by-step explanation:
The condition for symmetric relation is,
If (a,b)€ R then (b,a) €R.
But here, (2,1)€R but (1,2) does not belong to R.
Similarly, (3,1)€ R but (1,3) doesn't belong to R.
Hence, it is not a symmetric relation.
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