Results 1 to 2 of 2

Thread: finding nth term of a binomial

  1. May 26th 2008, 02:47 PM #1
    algebra2
    algebra2 is offline
    Member
    Joined
    Jan 2008
    Posts
    83

    finding nth term of a binomial

    find the 4th term of (7+i)^8.
    i got 941,192i^3 for my answer, but i dont know if you simplify the i^3 into i(i^2), and then obtain the answer -941,192i

    which is the correct answer?
    Follow Math Help Forum on Facebook and Google+
  2. May 26th 2008, 02:50 PM #2
    Plato
    Plato is online now
    MHF Contributor
    Joined
    Aug 2006
    Posts
    17,001
    Thanks
    776
    Awards
    1
    MHF Donor
    i^3=-i
    Follow Math Help Forum on Facebook and Google+
« multiply two numbers | roots of polynomials »

Similar Math Help Forum Discussions

  1. finding constant term of expansion using binomial theorem
    Posted in the Discrete Math Forum
    Replies: 12
    Last Post: July 26th 2010, 03:33 AM
  2. Binomial Expansions, what is the term
    Posted in the Algebra Forum
    Replies: 4
    Last Post: April 18th 2010, 04:33 AM
  3. Finding a particular term in a Binomial Expansion
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: December 1st 2009, 06:03 PM
  4. Finding a term in a Binomial Expansion
    Posted in the Discrete Math Forum
    Replies: 2
    Last Post: February 11th 2009, 06:10 PM
  5. binomial theorem as far as the term t^3
    Posted in the Calculus Forum
    Replies: 1
    Last Post: August 19th 2007, 12:00 PM

Search Tags


/mathhelpforum @mathhelpforum