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(1 point) For each of the following vector fields F , decide whether it is conservative...

(1 point) For each of the following vector fields F , decide whether it is conservative or not by computing curl F . Type in a potential function f (that is, ∇f=F). If it is not conservative, type N. A. F(x,y)=(10x+7y)i+(7x+10y)j f(x,y)= 10 B. F(x,y)=5yi+6xj f(x,y)= N C. F(x,y,z)=5xi+6yj+k f(x,y,z)= D. F(x,y)=(5siny)i+(14y+5xcosy)j f(x,y)= E. F(x,y,z)=5x2i+7y2j+5z2k

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