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Given n(J) = 255, n(K) = 186 and n(J ∪ K) = 429, find n(J ∩ K).

Given n(J) = 255, n(K) = 186 and n(J ∪ K) = 429, find n(J ∩ K).
asked 202k views
2 votes
Given n(J) = 255, n(K) = 186 and n(J ∪ K) = 429, find n(J ∩ K).

asked
User Gyuhyeon Lee
by
8.1k points

1 Answer

3 votes

Answer:

12

Explanation:


n(J \cap K)=n(J)+n(K)-n(J \cup K) \\ \\ =255+186-429 \\ \\ =12

answered
User Sukha
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