Q1) n (AUB) = 25, n (A) = 12, n (B) = 13 then find n (AnB)
Q2) n (A) = 36, n (B) = 12, n (AnB) = 15 find n (AUB)
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Answer: The answer is (Q.1) 0
(Q.2) 33
Step-by-step explanation:
Q.1) we know, n(A U B) = n(A) + n(B) - n(A n B)
=> 25 = 12 + 13 - n( A n B)
=> n(A n B) = 0 ( answer)
Q.2) We know,
n(A U B) = n(A) + n(B) - n(A n B)
=>n(A U B) = 36 + 12 - 15 = 33
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