Results 1 to 2 of 2

Math Help - [SOLVED] Limits

  1. #1
    Newbie
    Joined
    Dec 2009
    Posts
    9

    [SOLVED] Limits

    hey, will appreciate the help with the following:
    <br /> <br />
\lim_{x\rightarrow 1}(\frac{\sqrt{x-1}}{x^2-1})<br />

    Thanks !
    Last edited by antisane; December 7th 2009 at 08:39 AM.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Banned
    Joined
    Oct 2009
    Posts
    4,261
    Thanks
    2
    Quote Originally Posted by antisane View Post
    hey, will appreciate the help with the following:
    <br /> <br />
\lim_{x\rightarrow 1}(\frac{\sqrt{x-1}}{x^2-1})<br />
    Thanks !

    Hints: x^2-1=(x-1)(x+1) and  \frac{\sqrt{a}}{a}=\frac{1}{\sqrt{a}}\,\,\,\forall a>0.

    This means that the limits is +\infty , when x\rightarrow 1^+, since the function isn't defined for x\le 1.

    Tonio
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. [SOLVED] limits
    Posted in the Differential Geometry Forum
    Replies: 3
    Last Post: April 23rd 2009, 09:19 AM
  2. [SOLVED] Limits
    Posted in the Calculus Forum
    Replies: 4
    Last Post: March 26th 2009, 07:25 PM
  3. [SOLVED] Limits
    Posted in the Calculus Forum
    Replies: 2
    Last Post: March 3rd 2009, 08:13 PM
  4. [SOLVED] Limits
    Posted in the Pre-Calculus Forum
    Replies: 4
    Last Post: January 31st 2009, 11:55 PM
  5. [SOLVED] [SOLVED] Limits. LIMITS!
    Posted in the Calculus Forum
    Replies: 1
    Last Post: February 25th 2008, 10:41 PM

Search Tags


/mathhelpforum @mathhelpforum