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If n (xi)=50,n((AuuB)')=15,n=(A-B)=12 an...

If `n (xi)=50,n((AuuB)')=15,n=(A-B)=12` and `n(B-A)=14`, then `n(AnnB)` is

A

9

B

10

C

11

D

12

Text Solution

Verified by Experts

The correct Answer is:
A
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