1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Limits review

  1. Feb 24, 2008 #1
    lim (x^2 - x) as x---> inf.

    I thought it was in indeterminate form inf. - inf. but my friend said that it's just inf.

    please help
     
  2. jcsd
  3. Feb 24, 2008 #2
    [tex]\lim_{x\rightarrow\infty}=x(x-1)[/tex]

    As x goes to infinity, infinity times infinity minus one goes to ... ?
     
  4. Feb 24, 2008 #3
    oops
     
  5. Feb 24, 2008 #4
    thanks
     
  6. Feb 25, 2008 #5

    HallsofIvy

    User Avatar
    Science Advisor

    Actually both of you are right. It is an "indeterminant form" but that doesn't mean it does not have a limit!
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook