$(,,)$with $$FDs $\{,$AcdotsC,BcdotsA$\}.$Which $$one $$of $$the $$following $$is $$NOT $$correct:a$.\{\}+=\{,\}$b$.$A $$and $$B $$are $$the $$keysc$.\{\}+=\{,,\}$d$.\{\}+=\{,,\}$a relation $R(A,B,C)$ with FDs $\{AcdotsB,$AcdotsC,BcdotsA$\}.$

Which one of the following is NOT correct:

a$.\{A\}+=\{A,C\}$

b$.$ A and B are the keys

c$.\{A\}+=\{A,B,C\}$

d$.\{B\}+=\{A,B,C\}$Consider a relation $R(A,B,C)$ with FDs $\{AcdotsB,$AcdotsC,BcdotsA$\}.$

Which one of the following is NOT correct:

a$.\{A\}+=\{A,C\}$

b$.$ A and B are the keys

c$.\{A\}+=\{A,B,C\}$

d$.\{B\}+=\{A,B,C\}$