Question: ( 1 0 % ) A curve i s given b y C : vec ( r ) ( t ) = x ( t

(10%) A curve is given byC: vec(r)(t)=x(t)vec(i)+y(t)vec(j)+z(t)vec(k)=(4cos2t)vec(i)-(4costsint)vec(j)+(t)vec(k), try
to find the arc length of the curve from point (4,0,0)to point (4,0,).
( 1 0 % ) A curve i s given b y C : vec ( r ) ( t

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