The temperature at a point (x, y, z) is given by T(x, y, z) = 100e-²-S2-922 where T is measured in °C and x, y, z in meters. (a) Find the rate of change of temperature (in "C/m) at the point P(2, -1, 3) in the direction toward the point (5, -3, 4). C/m

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