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i Given vector fields C(x,y,z) = yay and D(x,y,z) = Say, answer the following questions a) Sketch both vector fields on R3. b) Find V - C and C - V (Which one of these two is an operator?) c) Prove the following property of the divergence of a vector field: V-(VA) = VV-A+V(V-A) when V is a scalar field and A is a vector field