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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

Symmetric only

B

Transitive only

C

Reflexive only

D

Equivalence only

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The correct Answer is:
D
NA
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