Results 1 to 4 of 4

Math Help - Binomials Problem

  1. #1
    Member
    Joined
    Sep 2008
    Posts
    114

    Binomials Problem




    so i understand this entire problem and did manage to solve for r on my own except i don't understand the final answer.

    3^3 = 27 not 2268

    lol is the answer wrong or am I doing something wrong at this oint?

    thank you very much for helping me!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor red_dog's Avatar
    Joined
    Jun 2007
    From
    Medgidia, Romania
    Posts
    1,252
    Thanks
    5
    T_4=C_9^3\cdot 3^3=84\cdot 27=2268
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Member
    Joined
    Sep 2008
    Posts
    114
    wait how do you get the 84?
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor red_dog's Avatar
    Joined
    Jun 2007
    From
    Medgidia, Romania
    Posts
    1,252
    Thanks
    5
    Quote Originally Posted by juliak View Post
    wait how do you get the 84?
    C_9^3=\dfrac{9\cdot 8\cdot 7}{1\cdot 2\cdot 3}=84
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Sum of binomials
    Posted in the Number Theory Forum
    Replies: 4
    Last Post: March 4th 2010, 06:30 PM
  2. Sum of binomials
    Posted in the Number Theory Forum
    Replies: 1
    Last Post: February 28th 2010, 10:49 PM
  3. Probabilty for a fair game problem w. binomials
    Posted in the Statistics Forum
    Replies: 6
    Last Post: November 22nd 2009, 12:23 PM
  4. more binomials
    Posted in the Calculus Forum
    Replies: 3
    Last Post: October 3rd 2008, 01:32 AM
  5. More help with Binomials
    Posted in the Pre-Calculus Forum
    Replies: 2
    Last Post: June 26th 2008, 06:27 AM

Search Tags


/mathhelpforum @mathhelpforum