Question

there are 20 elements in set A, 17 elements in set B, elements are in both a and b then how many elements are there in A union B​

Answer 1

Step-by-step explanation:

A={20}

B={17}

AUB={20}U{17} ={20,17}

Answer 2

Answer:

37

Step-by-step explanation:

set A = 20 elements

set B = 17 elements

A∪B = 37 elements