Can you please explain what you are doing? 9. Suppose the temperature at (x, y, z) is

Can you please explain what you are doing?

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9. Suppose the temperature at (x, y, z) is given by T = ry + sin(yz). In what direction should you go from the point (1, 1, 1) to decrease the temperature as quickly as possible? What is the rate of change of temperature in this direction? = 9. Suppose the temperature at (x, y, z) is given by T = ry + sin(yz). In what direction should you go from the point (1, 1, 1) to decrease the temperature as quickly as possible? What is the rate of change of temperature in this direction? =