Traveller Traveller

24-06-2019
Mathematics

contestada

Given that, A = {1,2,3,4,5,7} and B = {3,4,8,9} , find
in AB
ii. The number of elements in (AUB)

Respuesta :

jimrgrant1 jimrgrant1

24-06-2019

Answer:

8

Step-by-step explanation:

The union of the 2 sets are the elements in set A and B

A = { 1, 2, 3, 4, 5, 7 } and B = {3, 4, 8, 9 }

A ∪ B = { 1, 2, 3, 4, 5, 7, 8, 9 }

Note 3 and 4 are not repeated

number of elements in A ∪ B = 8

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