Check sibling questions

For two sets A & B

n(A) = Number of elements of set A

n(B) = Number of elements of set B

 

n(A ∪ B) = n(A) + n(B) – n(A ∩ B)

 

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.