SOLUTION: Topics In Contemporary Math Permutations and Combinations QUESTION 1 If the universal set bold italic U bold equals begin bold style left curly bracket l comma m comma

Question 1191454: Topics In Contemporary Math

Permutations and Combinations
QUESTION 1
If the universal set bold italic U bold equals begin bold style left curly bracket l comma m comma n comma o comma p comma q comma r comma s comma t comma u comma v comma w comma x comma y comma z right curly bracket end style has subsets
space A equals left curly bracket z comma y comma x comma w comma v comma u right curly bracket space
B equals left parenthesis x comma w comma v comma t comma s comma r right curly bracket
space C equals left curly bracket u comma v comma p comma q comma r right curly bracket
Find the elements in A union B

Answer by CPhill(1959) (Show Source): You can put this solution on YOUR website!
A ∪ B (A union B) includes all the elements that are in set A, or in set B, or in both. We simply combine the elements of both sets, making sure not to list any element twice.
* A = {z, y, x, w, v, u}
* B = {x, w, v, t, s, r}
A ∪ B = {z, y, x, w, v, u, t, s, r}

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