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यदि A और B घटनाएं इस प्रकार है की P(A...

यदि A और B घटनाएं इस प्रकार है की `P(A) = 1/3 , P(B) = 1/4` तथा ,` P(A cap B) =1/5` तो ज्ञात कीजिये :
`P(A cup B)`

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