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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §13.4 Directional Derivatives and Gradients, #26 · Multivariable Calculus · Gradient & optimization

The level curve of … through … is ____

The level curve of $f = y / x$ through $(1, 1)$ is ____. The direction of the gradient must be ____. Check grad $f$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §13.4 Directional Derivatives and Gradients, #26

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