Problem 1. Let f(a, y, z) = ln(² | y² | 2²). a) What is the direction of maximal increase of f at the point (1, 1, 1)? b) At the point (1, 1, 1), how far in the direction found in (a) do you need to go to obtain an increase of 0.1 in /? c) At the point (1, 1, 1), how far in the direction of (1, 1, 2) do you need to go to obtain an increase of 0.2 in /?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 93E
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Problem 1. Let f(x, y, z) = ln(² | y² | 2²).
a) What is the direction of maximal increase of f at the point (1, 1, 1)?
b) At the point (1, 1, 1), how far in the direction found in (a) do you need.
to go to obtain an increase of 0.1 in /?
c) At the point (1, 1, 1), how far in the direction of (1, 1, 2) do you need.
to go to obtain an increase of 0.2 in /?
Transcribed Image Text:Problem 1. Let f(x, y, z) = ln(² | y² | 2²). a) What is the direction of maximal increase of f at the point (1, 1, 1)? b) At the point (1, 1, 1), how far in the direction found in (a) do you need. to go to obtain an increase of 0.1 in /? c) At the point (1, 1, 1), how far in the direction of (1, 1, 2) do you need. to go to obtain an increase of 0.2 in /?
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