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    Directional Derivative

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    Find the directional derivative of f(x,y) = 2x^3-y^2+xy at the point (1,2) in the direction of the vector
    (1,3). Be careful: That direction vector isn't a unit vector!

    © BrainMass Inc. brainmass.com March 4, 2021, 5:55 pm ad1c9bdddf
    https://brainmass.com/math/derivatives/directional-derivative-18496

    Solution Summary

    Gradients are used to find a directional vector. The solution is well presented.

    $2.49

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