If W = {1, 2, 3, 4 …} and subset Z = {positive odd integers}, what is Z'?
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OpenStudy (anonymous):
Z'={1,3}
OpenStudy (anonymous):
you know about integers?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
Integers include whole numbers and their opposites. The opposite of a whole number is the negative of that number. The number 0 is also considered an integer, but 0 is the opposite of itself.
0, 1, 2, 3, 4 and -1, -2, -3, -4
It may be easier to understand integers if you see them in order.
... -4, -3, -2, -1, 0 1, 2, 3, 4 ...
Note that the three dots on either side indicate that integers continue in either direction.
OpenStudy (anonymous):
{1, 2, 3, 4 …}
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OpenStudy (anonymous):
now this is a set of integers
but you require a subset(part of set) of odd positive integers...
so{1,3}
OpenStudy (anonymous):
its not {1,3}
OpenStudy (anonymous):
sorry this was Z={1,3}
OpenStudy (anonymous):
IN question they have asked Z' ie the complement of Z which is
Z'={2,4}
OpenStudy (anonymous):
right?
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OpenStudy (anonymous):
Z'={2,4,........}
OpenStudy (anonymous):
see here W ={1,2,3,4...} refers to a set of integers
subset Z={1,3,...}
Z'=complement of {Z}={2,4,...}
OpenStudy (anonymous):
Given a set A, the complement of A is the set of all element in the universal set U, but not in A.
OpenStudy (anonymous):
{5, 6, 7, 8 …}
OpenStudy (anonymous):
what is this?
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OpenStudy (anonymous):
??
OpenStudy (anonymous):
the answer ?
OpenStudy (anonymous):
2468.....
OpenStudy (anonymous):
Z'={2,4...}
OpenStudy (anonymous):
CLEAR OR NOT?
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