Let S be the set of all real numbers. Then the relation R = {(a, b) : 1 + ab > 0} on S is [NDA 2003]

Reflexive and transitive but not symmetric

Reflexive and symmetric but not transitive

Symmetric, transitive but not reflexive

Reflexive, transitive and symmetric

Let S be the set of all real numbers. Then the relation R = {(a, b) :

1.	Let S be the set of all real numbers. Then the relation R = {(a, b) : 1 + ab > 0} on S is [NDA 2003]
A.	Reflexive and symmetric but not transitive
B.	Reflexive and transitive but not symmetric
C.	Symmetric, transitive but not reflexive
D.	Reflexive, transitive and symmetric
E.	None of the above is true
Answer» B. Reflexive and transitive but not symmetric

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Let S be the set of all real numbers. Then the relation R = {(a, b) : 1 + ab > 0} on S is [NDA 2003]

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