Question 124312This question is from textbook Mathematical Ideas
: Perform the indicated operations.
Let U = {a,b,c,d,e,f,g}, X = {a,c,e,g}, Y = {a,b,c} and Z = {b,c,d,e,f}
1. complement of X
2. union of Y and Z
This question is from textbook Mathematical Ideas
Found 2 solutions by CubeyThePenguin, ikleyn:
Answer by CubeyThePenguin(3113)   (Show Source):
You can put this solution on YOUR website! 1. complement = everything not in X
X' = {b, d, f}
2. union = items in both sets
Y U Z = {a, b, c, d, e, f}
**(fixed, confused union with intersection)
Answer by ikleyn(52785)  (Show Source):
You can put this solution on YOUR website! .
The correct answer to the second question regarding the UNION is THIS
union of Y and Z = Y U Z = {a,b,c,d,e,f}.
It is the collection of elements that belong to at least one of the two subsets Y or Z.
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