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What is the mark of U and which class in this question . Please solve this and explain full step.

What is the mark of U and which class in this question  . Please solve this and explain full step. 

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Grade:12th pass

1 Answers

Arun
25763 Points
2 years ago
Dear student
 
Mark of U means union
 
hence A U B = {1, 2, 3 , 6 ,8}
 
number of elements in A U B = 5
 
Regards
Arun

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