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Let R be a relation over the set NxxN an...

Let `R` be a relation over the set `NxxN` and it is defined by `(a,b)R(c,d)impliesa+d=b+c`. Then `R` is

A

reflexive but neither symmetric nor transitive.

B

symmetric but neither reflexive nor transitive.

C

transitive but neither reflexive nor symmetric

D

symmetric and transitive but not reflexive

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The correct Answer is:
B
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