Question: Given the vector functionr(t)= <4>2 ),2t/(1+t 2 ),3/t 5 >, determine the following: (a) Find the unit tangent vectorT(t) at the point wheret=1 (b) Evaluate

Given the vector functionr(t)=<4>2),2t/(1+t2),3/t5>, determine the following:

(a) Find the unit tangent vectorT(t) at the point wheret=1

(b) Evaluate the integral from 1 to sqrt(3), r(t)dt

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