Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §13.1 Surfaces and Level Curves, #32 · Multivariable Calculus · Partial derivatives

Near … draw the level curve … and the line

Near $x = 16$ draw the level curve $x^{2} y = 2048$ and the line $x + y = 24$ . Show that the curve is convex and the line is tangent.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §13.1 Surfaces and Level Curves, #32

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