Discrete Mathematics and Its Applications ( 8th International Edition ) ISBN:9781260091991
Discrete Mathematics and Its Applications ( 8th International Edition ) ISBN:9781260091991
8th Edition
ISBN: 9781259676512
Author: Kenneth H Rosen
Publisher: McGraw-Hill Education
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Chapter A, Problem 14E
To determine

To prove:

for all real numbers x and y, if x >0 and y < 0, then x·y < 0.

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