Question: vec(F)=lnyvec(i)lnxvec(j) and C is the curve given parametrically by (2t,t3), for 2t4.In Exercises 9-23, find Cvec(F)*dvec(r) for the given vec(F) and C.Cdxydyzdz where C is

vec(F)=lnyvec(i)lnxvec(j) and C is the curve given parametrically by (2t,t3), for 2t4.In Exercises 9-23, find Cvec(F)*dvec(r) for the given vec(F) and C.Cdxydyzdz where C is one turn of the helix x=cost,y=sint,z=3t,0t2.If vec(F)=grad(x2y4), find Cvec(F)*dvec(r) where C is the quarter of the circle x2y2=4 in the first quadrant, oriented counterclockwise.

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