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Math Help - binomial expansion...

  1. #1
    Newbie
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    Jan 2010
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    binomial expansion...

    hiyaa,
    theres this question which i'm stuck on cause it has a 2 in front of the x and i can't work it out

    (1-2x)^4

    thaaank you
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  2. #2
    MHF Contributor
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    Find the binomial expansion of (1 - a)^4 and then everywhere you see an a, replace it with a 2x.
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  3. #3
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    ohh sounds simple, thank you
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