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Mathematics, 13.11.2020 22:30 avamcneil412

Consider U = {x|x is a negative real number}. Which is an empty set? {x|XE U and x has a negative cube root)
{x|XE U and x has a negative square root}
{x|XE U and x is equal to the product of a positive number and -1}
{x|XE U and x is equal to the sum of one negative and one positive number}

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Consider U = {x|x is a negative real number}. Which is an empty set? {x|XE U and x has a negative c...
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