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Thread: parametric equations

  1. October 2nd 2012, 04:31 PM #1
    pnfuller
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    parametric equations

    a curve C is defined by the parametric equations x=t2 and y=t3-3t

    show that C has two tangents at the point (3,0) and find their equations

    please help with step by step ways to work it out!
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  2. October 2nd 2012, 10:39 PM #2
    MarkFL
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    Re: parametric equations

    Hint: use \frac{dy}{dx}=\frac{dy}{dt}\cdot\frac{dt}{dx}
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