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Q. |
Let a relation R in the set R of real numbers be defined as (a, b) Î R if and only if 1 + ab > 0 for all a, bÎR. The relation R is |
A. | reflexive and symmetric |
B. | symmetric and transitive |
C. | only transitive |
D. | an equivalence relation |
Answer» A. reflexive and symmetric |
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