Which of the following is true ( {.} denotes the fractional part of the function)?

limx→∞  logexx= positive   infinitya  value  between  0  and  1=∞limx→2+  xx2-x-2  = limx→2+ xx-2x+1=  limh→0 2+h3+h=  ∞limh→-1  xx2-x-2=  -   limh→-1-   xx-2x+1             =limh→0   -1-h-3-h-h=-  limh→0  1+h3+hh=-∞