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Mathematics, 12.11.2019 06:31 Strudl8920

Consider u = {x|x is a negative real number).
which is an empty set?
{x|x eu and x has a negative cube root}
{x|x eu and x has a negative square root}
{x|x eu and x is equal to the product of a positive number and -1}
{x|x eu 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|x eu and x has...

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