Question: i need help with 4 and 5 please Consider the following vector function. r(t)=2t,21t2,t2 (a) Find the unit tangent and unit normal vectors T(t) and

i need help with 4 and 5 please

Consider the following vector function. r(t)=2t,21t2,t2 (a) Find the unit tangent and unit normal vectors T(t) and N(t). T(t)= N(t)= (b) Use the formula (t)=r(t)T(t) to find the curvature. (t)= [/3 Points ] SCALCET9 13.3.028.EP. Consider the following. r(t)=4t2,ln(t),tln(t) Find r(t) and r(t). r(t)= r(t)= Find the curvature of r(t)={4t2,ln(t),tln(t) at the point (4,0,0). K=

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