Section 14.6: Directional Derivatives & Gradient Vector
Exercise 26
Find the maximum rate of change of \(f(p, q, r) = \arctan(pqr)\) at the point \((1, 2, 1)\) and the direction in which it occurs.
Find the maximum rate of change of \(f(p, q, r) = \arctan(pqr)\) at the point \((1, 2, 1)\) and the direction in which it occurs.