What is the directional derivative of f(x, y, z)= In x 2 + 2y2 + 4 z 2 at the point P(-1. 2, 4) in the direction of u = -3 13 i-4 13 j - 12 13k ? O-410 949 621 949 O 21 949 O-201 949

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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What is the directional derivative of f(x, y, z)= In x 2 + 2y2 + 4 z 2 at the point P(-1. 2, 4) in the direction of u = -3 13 i-4 13 j - 12 13k ?
O - 410 949
O 621 949
O 21 949
O-201 949
Transcribed Image Text:What is the directional derivative of f(x, y, z)= In x 2 + 2y2 + 4 z 2 at the point P(-1. 2, 4) in the direction of u = -3 13 i-4 13 j - 12 13k ? O - 410 949 O 621 949 O 21 949 O-201 949
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