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Mathematics 14 Online
OpenStudy (anonymous):

Let F(r)=(2y,-z,x);calculate integer F(r) x dr? let F(r)=(2y,-z,x);calculate integer F(r) x dr along the curve x=cost,y=sint,z=2cost from t=0 to t= pi/2.

OpenStudy (turingtest):

I have answered this on your previous post http://openstudy.com/study#/updates/4f1dcbdee4b04992dd245238

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