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Math Help - exam help

  1. #1
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    exam help

    given that one root of the equation 2x^2 -kx + k = 0 where k(does not equal)0, is twice the other find k.
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  2. #2
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    e^(i*pi)'s Avatar
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    See this post for a similar question. It's the same principle

    http://www.mathhelpforum.com/math-he...tml#post424133
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