limit x->infinity x-ln(x)
Let's evaluate the limit of x -ln(x) when x+∞
The limit of -ln(x) is -∞ when x+∞
For x -ln(x), we encounter the indeterminate form +∞ + -∞ as x tends to +∞
By comparative growth, x grows faster than ln(x) as x+∞:
So the limit of x -ln(x) is +∞ when x+∞
Answer:   +∞