Question

The electric potential (V) at a certain point in space is given by: V(x, y, z)...

The electric potential (V) at a certain point in space is given by: V(x, y, z) = 5x2-3xy+xyz

a) find the directional derivative of the potential at P(3,4,5) in the direction of the vector v=i+j+k

b) calculate the gradient of the electric potential

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