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A and B are two events such that `P(A)=1/5` and `P(AuuB)=2/5` Find P(B) if they are mutually exclusive. a)`1/5` b)`2/5` c)`3/5` d)`4/5`

A

`1/5`

B

`2/5`

C

`3/5`

D

`4/5`

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