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Mathematics, 27.08.2019 07:10 tkies1028
1. consider the operation * defined by x* y = x + lyl.
which of the following sets are closed under this operation?
- integers
negative integers
positive integers
integer multiples of 3
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1. consider the operation * defined by x* y = x + lyl.
which of the following sets are closed...
which of the following sets are closed...
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