Question
Asked Jan 27, 2020
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Find an equation for the circle of curvature of the curve r(t) = (2 ln t)i - 3t + (1/t)4j, e-2 <=t<= e2, at the point (0, -2), where t = 1.

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Expert Answer

Step 1

Consider the given curve as,

Calculus homework question answer, step 1, image 1
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Step 2

Take magnitude on both sides of the above equation.

Calculus homework question answer, step 2, image 1
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Step 3

Substitute equation (3) and ...

Calculus homework question answer, step 3, image 1
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Derivative

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