In 9-33 determine whether the given relation is reflexive, sym- metric, transitive, or none of these. Justify your answers. 19. Define a relation I on R as follows: For all real numbers x and y, x I y x – y is irrational.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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In 9-33 determine whether the given relation is reflexive, sym-
metric, transitive, or none of these. Justify your answers.
Transcribed Image Text:In 9-33 determine whether the given relation is reflexive, sym- metric, transitive, or none of these. Justify your answers.
19. Define a relation I on R as follows: For all real numbers x
and y, x I y x – y is irrational.
Transcribed Image Text:19. Define a relation I on R as follows: For all real numbers x and y, x I y x – y is irrational.
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