Question

If X = {−1, 0, 2} and Y = {1, 2, 5}, find X ∪ Y.
1.{−1, 0, 1, 2, 5}
2.{2}
3. {−1, 0, 1, 2, 5, X , Y}
4. {}

Answer 1

yo sup??

as mentioned earlier XUY is simply the summation of all the unique elements of X and Y

S=XUY

={-1,0,1,2,5}

Therefore your answer is option 1 ie

1.{-1,0,1,2,5}

Hope this helps.

Answer 2

Answer:

Step-by-step explanation:

If X = {−1, 0, 2} and Y = {1, 2, 5}

X ∪ Y is the combination of all the element in X and Y without repetition

X U Y = {-1, 0, 1, 2, 5}