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Math Help - Eliminate the Parameter

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    Eliminate the Parameter

    for x=(e^t) -1 y=e^2t

    Is this a case of using natural logs to find t and substitute it into one of the equations?
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  2. #2
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    Quote Originally Posted by sfgiants13 View Post
    for x=(e^t) -1 y=e^2t

    Is this a case of using natural logs to find t and substitute it into one of the equations?
    It's not really necessary. From the first

    e^t = x+1

    the second

    y = e^{2t} = \left(e^t \right)^2 = (x+1)^2
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