- #1
QuarkCharmer
- 1,051
- 3
Homework Statement
How would you take this limit? The function is:
[tex]lim_{x\rightarrow -∞}\frac{\sqrt{9x^{6}-x}}{x^{3}+1}[/tex]
Homework Equations
The Attempt at a Solution
Uh, square root of negative infinity?
Graphing tells me that this should go to -3.
I just recalled that I can pull the 9 out to get 3root(-∞) ?