Results 1 to 2 of 2

Math Help - answers for the following integral questions

  1. #1
    Newbie
    Joined
    Aug 2007
    Posts
    9

    answers for the following integral questions

    hi

    can anyone check if my answers are correct?

    Integrate:-

    1. [(2)x^3 - (3)x^2 + 3x - 4]/ (x^2) - 2x +1 =
    1/2 x^2 + x + 3 ln (x-1) + 2/(x-1)

    2.(7x+2)/(3x+1)(2x-3)^2 =
    4/121 ln(2x-3) - 9/21 ln (3x+1) + 25/11 (2x-3)^3 / 6

    3. (2)x^3 + (5)x^2 - 3/ (x^2 - 1)(x^2 + 3) =
    1/6 ln (x^2 + 3) - 1/2 ln (x^2 +1)

    4. 4(x^2 - 5)/(2x+1)(x+3) =
    2x - 19/5 ln (2x+1) - 16/5 ln (x+3)
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Aug 2007
    From
    USA
    Posts
    3,111
    Thanks
    2
    Answers are one thing. How you got there is quite another. Please show your work and give a description of your methodology. This will aide in the formulation of more helpful responses.

    1) Sooooooo...close! That out in front shouldn't be there.
    2) More coefficient problems.

    I'll quit there. You seem to be in the neighborhood. Give it another go. This time, show the results of your long division and/or partial fraction decomposition. This should expose any remaining difficulties.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. probability questions not getting answers
    Posted in the Statistics Forum
    Replies: 1
    Last Post: October 12th 2009, 03:50 PM
  2. Data questions, answers?
    Posted in the Statistics Forum
    Replies: 4
    Last Post: June 1st 2009, 08:25 PM
  3. need answers to these 4 questions soon!!
    Posted in the Calculus Forum
    Replies: 4
    Last Post: January 5th 2009, 06:49 PM
  4. questions need answers
    Posted in the Statistics Forum
    Replies: 1
    Last Post: November 1st 2007, 09:52 PM
  5. 2 questions need 2 answers
    Posted in the Statistics Forum
    Replies: 1
    Last Post: October 31st 2007, 01:48 PM

Search Tags


/mathhelpforum @mathhelpforum