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Let R be a relation on the set N of natu...

Let R be a relation on the set N of natural numbers defined by n R m if n divides m. Then R is

A

Reflexive and symmetric

B

Transitive and symmetric

C

Equivalence

D

Reflexive, transitive but not symmetric.

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MODERN PUBLICATION-RELATIONS AND FUNCTION-EXAMPLE
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  21. Let f : N rarr N be a function deifned by f(x) = 9x^2 + 6x - 5. Show ...

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