Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §13.1 Surfaces and Level Curves, #3 · Multivariable Calculus · Partial derivatives

Set … and compute the … derivative of each function at

Set $y = 0$ and compute the $x$ derivative of each function at $x = 2$ . Which mountain is flattest and which is steepest at that point?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §13.1 Surfaces and Level Curves, #3

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