We learned in class that if f(x, y) is a function of two variables, that Vf(a, b) is perpendicular / normal to the tangent line of the level curve f(x, y) k, where k = f(a, b). Similarly, if g(r, y, z) is a function of three variables, then Vg(a, b, c) is normal to the tangent plane of the level surface g(r, y, z) = k, where k = g(a, b, c). Use this information to easily find an equation of the tangent plane to the surface ry – y² + 2x²z = 4 at the point (1, 2, 3). %3D %3D
We learned in class that if f(x, y) is a function of two variables, that Vf(a, b) is perpendicular / normal to the tangent line of the level curve f(x, y) k, where k = f(a, b). Similarly, if g(r, y, z) is a function of three variables, then Vg(a, b, c) is normal to the tangent plane of the level surface g(r, y, z) = k, where k = g(a, b, c). Use this information to easily find an equation of the tangent plane to the surface ry – y² + 2x²z = 4 at the point (1, 2, 3). %3D %3D
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 91E
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