Series? Are you summing over x? Is x restricted to the positive integers? Since each term is positive, it certainly cannot sum to 0!
Or do you mean simply a limit? As x goes to what value? Please post the entire statement of the problem.
Series? Are you summing over x? Is x restricted to the positive integers? Since each term is positive, it certainly cannot sum to 0!
Or do you mean simply a limit? As x goes to what value? Please post the entire statement of the problem.