Let r(t) = < 3t^(3)-4,t^(3)+5t^(4),3ln(2t) > Find a parametric equation of the line tangent to r(t) a?

Let r(t) = < 3t^(3)-4,t^(3)+5t^(4),3ln(2t) >

Find a parametric equation of the line tangent to r(t) at the point (20,88,4.159)

x(t)=20+36t

y(t)=

z(t)=

1 Answer

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  • 9 years ago
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    I'm not familiar with the notation (I only last studied this in 1980), but basically I'd recommend taking the first derivative and evaluating it at point a.

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