Question

If A={3,6,9,12,15} and B={6,12,18,24,30} then n(AUB)=? sol:Given A={3,6,9,12,15}&B={6,12,18,24,30}. AnB=____
n(A)=?_____
n(B)=?_____
n(AnB)=2
therefore, n(AUB)=n(A)+n(B)-__
=5+___-2
=______

please answer fast​

Answer 1

Step-by-step explanation:

n(B) =5

n(A)=5

n(AnB)=2

n(AUB)=n(A)+n(B)-n(AnB)=5+5-2

Ans)8

Answer 2

Answer:

67

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