*If n( A) = 62 , n(B) = 54 . A and B are disjoint sets then n ( A ∩ B ) = ?*
1️⃣ 62
2️⃣ 0
3️⃣ 54
4️⃣ 116
Question
*If n( A) = 62 , n(B) = 54 . A and B are disjoint sets then n ( A ∩ B ) = ?*
1️⃣ 62
2️⃣ 0
3️⃣ 54
4️⃣ 116
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Mathematics
2 years
2021-06-22T17:33:05+00:00
2021-06-22T17:33:05+00:00 1 Answers
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Answers ( )
Step-by-step explanation:
given n(A) = 62 and n(B) = 54
n(AnB) = n(A) + n(B) – n(AuB)
= 62 + 54 – 0
here, A and B are disjoint sets
therefore n(AuB) = 0
= 116
answer : Option – 4