Question

If n(A) = 10, n(B) =15 and n(A intersection B) =7, then find n(A union B)​

Answer 1

Answer:

n(A∪B)= 18

Explanation :

n(A∪B)=n(A)+n(B) - n(A∩B)

= 10 +15-7

= 25-7

= 18

Hope you have got it

Answer 2

$hope \: its \: \: help \: \: u$

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