Question

*If n(X) = 13, n (Y) = 12 , n ( X U Y) = 28 hen n ( X ∩ Y) = ?*

1️⃣ 12
2️⃣ 2
3️⃣ 3
4️⃣ 25
​

Answer 1

Answer:

i think 2 is right......

Answer 2

Answer:

2

Step-by-step explanation:

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