H$.$W:A$//$ Which of these relations on $\{0,1,2,3\}$ are equivalence relations, why?a$)$ R$1=(0,0),(1,1),(2,2),(3,3)\}$b$)$ R$2=((0,0),(0,2),(2,0),(2,2),(2,3),(3,2),(3,3)\}$c$)$ R$3=(0,0),(1,1),(1,2),(2,1),(2,2),(3,3))$d$)$ R$4=\{(0,0),(1,1),(1,3),(2,2),(2,3),(3,1),(3,2),(3,3)\}$e$)$ R$5=((0,0),(0,1),(0,2),(1,0),(1,1),(1,2),(2,0),(2,2),(3,3)\}$