Discrete math Let S = Z × Z and define the relation R as follows (a, b)R(c, d) ⇔ ad = bc. Show that R is an equivalence relation and find the corresponding equivalence classes.

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Chapter2: Second-order Linear Odes
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Discrete math

Let S = Z × Z and define the relation R as follows
(a, b)R(c, d) ⇔ ad = bc.
Show that R is an equivalence relation and find the corresponding equivalence classes.

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