Question
For a surface function below: z = f (x, y) = x 2 + y 2 - 2 xy - x + 3 y +
For a surface function below:
z = f (x, y) = x 2 + y 2 - 2 xy - x + 3 y + 4
Find the directional derivative at the point (2, 3) in the direction of the vector v = 5 i + 10 j .
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Calculus Early Transcendentals
Authors: James Stewart
8th edition
1285741552, 9781305482463 , 978-1285741550
