Solve the problem.Find the derivative of the function f(x y) = x² + xy + y2 at the point(6, 7) in the direction in which the function decreases most rapidly.Lütfen birini seçin:O A. -3 /86O B. -653O .-761O D. -V659 Solve the problem.Find the equation for the tangent plane to the surfacex2 - 7xyz + y2 = 9z2 at the point (-1, -1, -1).Lütfen birini seçin:О А.-9х - 9у + 11z%3D7О В. - 9х - 9у - 11z %3D 1O C. x + y + z = 1O D. x + y + z = 7

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Answered: Solve the problem. Find the derivative…

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter6: Topics In Analytic Geometry

Section6.2: Introduction To Conics: parabolas

Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.

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Solve the problem. Find the derivative of the function f(x y) = x² + xy + y² at the point (6, 7) in the direction in which the function decreases most rapidly. Lütfen birini seçin: O A. -3-86 O B. -V653 O . -761 O D. -V659