Suppose that the electrical potential $($voltage V$)$ at each point in space is V$($x$,$y$,$z$)=$e$^($xyz$)$ volts and that electric charges move in the direction of greatest potential drop $($most rapid decrtease of potential$)$ In what direction does a charge at the point $(2,-3,3)$ move? Find the unit vector $"$u$"$ in this direction? How fast does the potential change as the charge leaves this poitn