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Determine which of these relations are symmetric. The variables x, y, x', y represent integers. A. ~ y if and only if x + 2y is positive. ~ y if and only if x + y is even. B. C. ~ y if and only if x + y is positive. D.I~ y if and only if x - y is positive. E.I~ y if and only if x - y is a multiple of 10.

Determine which of these relations are symmetric. The variables x, y, x', y represent integers. A. ~ y if and only if x + 2y is positive. ~ y if and only if x + y is even. B. C. ~ y if and only if x + y is positive. D.I~ y if and only if x - y is positive. E.I~ y if and only if x - y is a multiple of 10.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Determine which of these relations are symmetric. The variables x, y, x', y represent integers. A. ~ y if and only if x + 2y is positive. B. x ~ y if and only if x + y is even. C. ~ y if and only if x + y is positive. D.I~ y if and only if x - y is positive. E.I~ y if and only if x - y is a multiple of 10.
Transcribed Image Text:Determine which of these relations are symmetric. The variables x, y, x', y represent integers. A. ~ y if and only if x + 2y is positive. B. x ~ y if and only if x + y is even. C. ~ y if and only if x + y is positive. D.I~ y if and only if x - y is positive. E.I~ y if and only if x - y is a multiple of 10.
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