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

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asked Apr 28, 2023 202k views

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

Mathematics
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Gyuhyeon Lee asked

by Gyuhyeon Lee

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Answer:

Explanation:

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

Sukha answered May 2, 2023

by Sukha

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