Question

If n ( U ) = 48 , n( A ) = 30 , n( B ) = 20 , n( A' ∩ B' ) = 2  ; then find n( A ∩ B )​

Answer 1

Answer:

OK OK

Step-by-step explanation:

Since, n(A ∩ B) = n(A) + n(B) - n(A ∪ B) = 20 + 28 - 36

∴ n(A ∩ B) = 12

this is what I know

Answer 2

Answer:

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Step-by-step explanation:

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