Question

If n(A)=9, n(B) = 16, n(AUB) = 12, find n (AnB)​

Answer 1

Answer:

$\huge\boxed{\fcolorbox{grey}{black}{gunnu}}$

Answer 2

Answer:

13

1. N of a intersection b formula=n(A)+n(B)-n of a unionb
2. N of a intersection b formula=9+16-12
3. N of a intersection b formula=13