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Over a certain region of space, the electric potential is V = 4.2x-3.6x^2y+1.5yz^2. On scratch paper, find the expressions for the x, y, and z components o the electric field over this region. What is the magnitude of the field at the point P that has coordniated(1.0,-3.0,-1.0)m? Assume SI units are used.

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