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Mathematics 15 Online
OpenStudy (anonymous):

If W = {1, 2, 3, 4 …} and subset Z = {positive odd integers}, what is Z'?

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 …}

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?

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?

OpenStudy (anonymous):

??

OpenStudy (anonymous):

the answer ?

OpenStudy (anonymous):

2468.....

OpenStudy (anonymous):

Z'={2,4...}

OpenStudy (anonymous):

CLEAR OR NOT?

OpenStudy (anonymous):

???????

OpenStudy (anonymous):

thats not the answer

OpenStudy (anonymous):

PATA NAHIN

OpenStudy (anonymous):

ok i got it

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