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Hi I am currently...

Hi I am currently doing Calc 3 home work and cannot figure out how to solve my last problem:

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Let C1, C2 be two curves in space traced out respectively by vector functions

.

(a.) Find parametric equations for the tangent line to the curve C1 at (3, ln 5, 2). Show all work.

(b.) Find the length of the curve C2 over the parameter interval [0, 1]

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R1 is (sqrrt(t^2+5),ln(t^2+1),t, r2=(9,t^2,t^3)

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