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Math Help - coefficients

  1. #1
    Junior Member
    Joined
    May 2005
    Posts
    25

    coefficients

    coefficient of the middle term of the expansion of (2x-3)^10

    is it 252
    or -1959552x5
    or neither

    it not how do you find it
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  2. #2
    Junior Member
    Joined
    May 2005
    Posts
    60
    Take 2 common 2^10(x-3/2)^10

    nCr *(x^n-r)* (a^r)

    I hope you can take it from here.
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