Results 1 to 2 of 2

Math Help - Tough definite integral

  1. #1
    Newbie
    Joined
    Nov 2007
    Posts
    6

    Tough definite integral

    dx/(2x+7)

    limits are from 2 to 0.


    The only one on my homework I cannot get...any help would be appreciated.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Math Engineering Student
    Krizalid's Avatar
    Joined
    Mar 2007
    From
    Santiago, Chile
    Posts
    3,654
    Thanks
    12
    Quote Originally Posted by calculuslyfrustrated View Post
    dx/(2x+7)

    limits are from 2 to 0.
    What's the matter?

    Note that

    \int_2^0 {\frac{1}<br />
{{2x + 7}}\,dx} = \frac{1}<br />
{2}\int_2^0 {\frac{{(2x + 7)'}}<br />
{{2x + 7}}\,dx} = \frac{1}<br />
{2}\left( {\ln \left| {2x + 7} \right|\Big|_2^0} \right).

    You may go on from there.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 5
    Last Post: December 5th 2011, 05:21 PM
  2. a tough definite integral
    Posted in the Calculus Forum
    Replies: 1
    Last Post: June 5th 2011, 09:59 AM
  3. Replies: 4
    Last Post: April 13th 2011, 02:08 AM
  4. A tough definite integral
    Posted in the Calculus Forum
    Replies: 9
    Last Post: November 14th 2010, 02:15 PM
  5. Tough integral (for me)
    Posted in the Calculus Forum
    Replies: 1
    Last Post: March 24th 2010, 08:45 AM

Search Tags


/mathhelpforum @mathhelpforum