Results 1 to 2 of 2

Math Help - derivative help

  1. #1
    Newbie
    Joined
    Apr 2009
    Posts
    20

    derivative help

    how do i figure out the derivative of this?

    y= ln(sqrt 2x^2+2)
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Behold, the power of SARDINES!
    TheEmptySet's Avatar
    Joined
    Feb 2008
    From
    Yuma, AZ, USA
    Posts
    3,764
    Thanks
    78
    Quote Originally Posted by foodmmm View Post
    how do i figure out the derivative of this?

    y= ln(sqrt 2x^2+2)
    If you mean

    y=\ln(\sqrt{2x^2+2})=\frac{1}{2}\ln(2x^2+2)

    Now taking the derivative we get

    y'=\frac{1}{2}\cdot \frac{1}{2x^2+2}\cdot (4x)=\frac{x}{x^2+1}
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. contuous weak derivative $\Rightarrow$ classic derivative ?
    Posted in the Differential Geometry Forum
    Replies: 2
    Last Post: April 22nd 2011, 03:37 AM
  2. Replies: 0
    Last Post: January 24th 2011, 12:40 PM
  3. [SOLVED] Definition of Derivative/Alt. form of the derivative
    Posted in the Calculus Forum
    Replies: 2
    Last Post: September 23rd 2010, 07:33 AM
  4. Derivative Increasing ==> Derivative Continuous
    Posted in the Differential Geometry Forum
    Replies: 2
    Last Post: February 23rd 2010, 11:58 AM
  5. Replies: 2
    Last Post: November 6th 2009, 03:51 PM

Search Tags


/mathhelpforum @mathhelpforum