Results 1 to 5 of 5

Math Help - integration by subsitution.

  1. #1
    Member
    Joined
    Sep 2009
    Posts
    98

    integration by subsitution.

    Hey,

    use the subsitution u=3x-1 to express the following as an integral in terms of u. Hence, find the following, giving your answer in terms of x.

    integration by subsitution.-maths.jpg

    thank you!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Apr 2005
    Posts
    15,326
    Thanks
    1298
    Okay, what have you done and where are you having problems?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Member
    Joined
    Sep 2009
    Posts
    98
    well...
    so the new form is

    integration by subsitution.-maths2.jpg

    do we continue by integration by parts?
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Super Member General's Avatar
    Joined
    Jan 2010
    From
    Kuwait
    Posts
    562
    Quote Originally Posted by Oasis1993 View Post
    well...
    so the new form is

    Click image for larger version. 

Name:	maths2.JPG 
Views:	7 
Size:	13.8 KB 
ID:	15850

    do we continue by integration by parts?

    You should convert everything in the integral to an expression in terms of u according to your substitution.
    Follow Math Help Forum on Facebook and Google+

  5. #5
    MHF Contributor

    Joined
    Apr 2005
    Posts
    15,326
    Thanks
    1298
    If u= 3x-1, then x= ?
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Integration by subsitution?
    Posted in the Calculus Forum
    Replies: 12
    Last Post: June 23rd 2010, 04:14 PM
  2. reverse subsitution (integration)
    Posted in the Calculus Forum
    Replies: 5
    Last Post: March 9th 2010, 09:46 AM
  3. integration by subsitution
    Posted in the Calculus Forum
    Replies: 4
    Last Post: March 4th 2010, 07:20 AM
  4. integration by reciprocal subsitution
    Posted in the Calculus Forum
    Replies: 1
    Last Post: February 9th 2010, 04:18 AM
  5. Integration by subsitution
    Posted in the Calculus Forum
    Replies: 6
    Last Post: January 16th 2008, 04:05 PM

Search Tags


/mathhelpforum @mathhelpforum