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Mathematics, 02.12.2021 06:30 kenyamaclark1847
Since x and y belong to the set of real numbers, they can assume negative or positive numbers.
For the statement to be false it is enough to present a counter-example, an example in which the statement is not true.
For
and
, numbers contained in the set of natural numbers we have:
Then ![x+y\ \textless \ 0](/tpl/images/2578/8492/7ac86.png)
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Since x and y belong to the set of real numbers, they can assume negative or positive numbers.
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