-kr i) Using the Cartesian position vector r, show that V (1) - ||r||*+2* ii) Consider some arbitrary function f(x, y). If the coordinates are rotated such that f takes the form f(u(x, y), v(x, y)) with u = x+my, v=mx-y, m € R, show that af (31) ()² + ( )* = (m² + 1) - ¹) (()* + (+)'). ду iii) Use the total differential or tangent plane or first order Taylor series to compute an approximate answer to f(3.8, 9.25, 15.9), given f(x, y, z)=√xyz and the expansion point (ro, yo, Zo) = (4, 9, 16).

-kr i) Using the Cartesian position vector r, show that V (1) - ||r||+2 ii) Consider some arbitrary function f(x, y). If the coordinates are rotated such that f takes the form f(u(x, y), v(x, y)) with u = x+my, v=mx-y, m € R, show that af (31) ()² + ( )* = (m² + 1) - ¹) (()* + (+)'). ду iii) Use the total differential or tangent plane or first order Taylor series to compute an approximate answer to f(3.8, 9.25, 15.9), given f(x, y, z)=√xyz and the expansion point (ro, yo, Zo) = (4, 9, 16).

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter8: Applications Of Trigonometry

Section8.3: Vectors

Problem 60E

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