Prove that (i) P(A) = P(AÇ B) + P(AÇ B )

Question:

Prove that

(i) P(A) = P(AÇ B) + P(AÇ )

(ii) P(AÈ B) = P(AÇ B) + P(AÇ ) + P( Ç B)

Solution:

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