(5 MARKS) Prove that, for any sets A and B, it is true that A(AB)= A. Hint. You must do lhs rhs and rhs lhs as in "let x lhs. Then BLA BLA BLA, so x rhs is true. Etc." (5 MARKS) Prove that, for any sets A and B, it is true that A(AB)= A. Hint. You must do lhs rhs and rhs lhs as in "let x lhs. Then BLA BLA BLA so x rhs is true. Etc