Question #3037

A universe consits of the set of intergers. if subset A consits of the whole numbers, what is the complement of set A?
1) {x|x E nonnegative intergers}
2) {x|x E intergers <1}
3) {x|x E negativie intergers}
4) {x|x E the opposite of the whole numbers}

Expert's answer

Integers = { ..., -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, ... }

A= { 0, 1, 2, 3, 4, 5, ... }

So ~A= { ..., -5, -4, -3, -2, -1 }

And answer is 3)

~A= {x|x E negativie intergers}

A= { 0, 1, 2, 3, 4, 5, ... }

So ~A= { ..., -5, -4, -3, -2, -1 }

And answer is 3)

~A= {x|x E negativie intergers}

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