Which of the following statMenrs are alway true?

P$($A$)+$ P$($B$)=1$

P$($Ei

$P(A)1+P(AC).$ Note$-$A$.$ means A complement

both $P(A)1-P(Ac)$ and $P(A)+P(B)1,$ Note$-$Ac means A$.$comlement