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Use a formula for slope of a line tangent to a parametric curve to find dy/dx for the curve c(s) = (s^(-1)-6s, -7s^3) at the point with s=-4

  • Math -

    dy/dx = (dy/ds)/(dx/ds)
    = (-21s^2)/(-1/s^2 - 6)
    now plug in s=-4

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