Consider the vector function: (see attached) a) Find the domain of r. b) Find the limit as t -> 0 of lim r(t). (see attached) c) Find the parametric equations for the line tangent to the space curve described by the vector function at t = 1.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.5: Applications
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Consider the vector function: (see attached)

a) Find the domain of r.

b) Find the limit as t -> 0 of lim r(t). (see attached)

c) Find the parametric equations for the line tangent to the space curve described by the vector function at t = 1.

F(t) = (t In(2 – t), VE + 3, 1)
Transcribed Image Text:F(t) = (t In(2 – t), VE + 3, 1)
Find the limit lim 7(t)
Transcribed Image Text:Find the limit lim 7(t)
Expert Solution
Step 1

Given:

rt=tln2-t,t+3,et-1t

a) Since logx is defined for x>0

So, ln2-t is defined for 2-t>0t<2

Also t+3 is defined for 

t+30t-3

and et-1t is defined for t0

Takin intersection of all the three, we get 

t[-3,2)-0

So, domain of r is [-3,2)-{0}

Step 2

b) As t0, tln2-t0 , t+33

Also, 

limt0et-1t=limt0et1=1 ( Using l' Hopital Rule )

So, limt0rt=limt0tln2-t,t+3,et-1t         =lim t0tln2-t,lim t0 t+3,limt0  et-1t          0,3,1

       

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