suudame96 suudame96

24-12-2023
Mathematics

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If n(A)=7,n(B)=4,and n(AnB)=2, then find n(AuB)

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musemaselman0 musemaselman0

24-12-2023

Answer:

9

Step-by-step explanation:

n(A)+n(B)-n(AnB)=n(AuB); let x=n(AuB)

7+4-2=x

7+2=x

x=9

Hope that helps

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