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  3. let f x y be a differentiable function with f x y

Let f x y be a differentiable function with f x y c a level...

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Calculus

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Let f x y be a differentiable function with f x y c a level curve of f Which of the following statements are true Select all that apply Du f zo yo is maximum when u is tangent to the level curve at zo yo Vf zo yo is orthogonal to the level curve at xo 30 Duf xo 30 0 when u is tangent to the level curve at zo yo Vf zo yo is tangent to the level curve at x0 90 f xo 30 c at every point 2o 3o along the level curve

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