What is the limit as x approaches infinity of this question ?
What is the limit of -LRB- -LRB- -LRB- x +1 -RRB- -LRB- x +2 -RRB- -LRB- x +3 -RRB- -LRB- x +4 -RRB- -RRB- ^ 1/4 - x -RRB- as x approaches to infinity ?