Question

If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8}. Find A ∪ B ∪ C.
$\left[2Marks\right]$

Answer 1

Given:
A = {1, 2, 3, 4}
B = {3, 4, 5, 6}
C = {5, 6, 7, 8}
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A ∪ B ∪ C will be the combination of all element of Set A , Set B and Set C without repeating any element.

Hence:
A ∪ B ∪ C = {1, 2, 3, 4, 5, 6, 7, 8}
$\left[1Mark\right]$