Question

If n(A)=20, n(B)=44,n(AuB)=51 find n(AnD) maths

Answer 1

Answer:

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Step-by-step explanation:

∎ ANSWER ::

We know that

n(A ∪ B) =n(A) + n(B) - n(A ∩ B)

⟹ 51 = 20 + 44 - n(A ∩ B)

⟹ n(A ∩ B) = 13

Answer 2

Step-by-step explanation:

(4) If n (AUB) = 51, n (A) = 20, n (B) = 44 find n (A