Results 1 to 3 of 3

Thread: evaluate indefinite integral

  1. April 13th 2010, 04:48 PM #1
    yoman360
    yoman360 is offline
    Senior Member
    Joined
    Apr 2009
    Posts
    253

    evaluate indefinite integral

    oops i meant definite integral

    find \int_0^2 3x^2f(x^3) dx if \int_0^8 f(t) dt = k
    Follow Math Help Forum on Facebook and Google+
  2. April 13th 2010, 05:11 PM #2
    skeeter
    skeeter is offline
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    11,625
    Thanks
    425
    Quote Originally Posted by yoman360 View Post
    oops i meant definite integral

    find \int_0^2 3x^2f(x^3) dx if \int_0^8 f(t) dt = k
    t = x^3

    dt = 3x^2 \, dx

    \int_0^2 3x^2f(x^3) \, dx

    sub and reset limits of integration ...

    \int_0^8 f(t) \, dt

    finish ... ?
    Follow Math Help Forum on Facebook and Google+
  3. April 13th 2010, 05:23 PM #3
    yoman360
    yoman360 is offline
    Senior Member
    Joined
    Apr 2009
    Posts
    253
    Quote Originally Posted by skeeter View Post
    t = x^3

    dt = 3x^2 \, dx

    \int_0^2 3x^2f(x^3) \, dx

    sub and reset limits of integration ...

    \int_0^8 f(t) \, dt

    finish ... ?
    Thanks
    Follow Math Help Forum on Facebook and Google+
« Integral of an Even Function | Calculus optimization-Drainage channel »

Similar Math Help Forum Discussions

  1. evaluate the indefinite integral
    Posted in the Calculus Forum
    Replies: 5
    Last Post: October 21st 2010, 08:39 PM
  2. Evaluate the indefinite integral
    Posted in the Calculus Forum
    Replies: 2
    Last Post: October 15th 2010, 08:41 PM
  3. Evaluate the indefinite integral
    Posted in the Calculus Forum
    Replies: 2
    Last Post: July 13th 2010, 12:49 PM
  4. Evaluate the Indefinite Integral...
    Posted in the Calculus Forum
    Replies: 2
    Last Post: March 3rd 2008, 07:59 AM
  5. Evaluate the Indefinite integral
    Posted in the Calculus Forum
    Replies: 1
    Last Post: March 26th 2007, 07:41 PM

Search Tags


/mathhelpforum @mathhelpforum