MediumPartial derivatives

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §13.1 Surfaces and Level Curves, #15 · Multivariable Calculus · Partial derivatives

Draw the contour map for … with level curves

Draw the contour map for $f = x y$ with level curves $f = - 2, - 1, 0, 1, 2$ . Describe the surface.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §13.1 Surfaces and Level Curves, #15

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