19. df = 6y1+4x +2ydx + 3y1+4x + 2ydy, P = (1, 2), Q = (1.03, 2.05)

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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In Exercises 17-20, assume points P and Q are close. Esti-
mate Af = f(Q) – S(P) using the differential d f.
Transcribed Image Text:In Exercises 17-20, assume points P and Q are close. Esti- mate Af = f(Q) – S(P) using the differential d f.
18. df = ydx + xdy, P = (10,5), Q = (9.8, 5.3)
19. df = 6V1+4x + 2y dx + 3V1 + 4x + 2y dy, P
(1, 2), Q = (1.03, 2.05)
Transcribed Image Text:18. df = ydx + xdy, P = (10,5), Q = (9.8, 5.3) 19. df = 6V1+4x + 2y dx + 3V1 + 4x + 2y dy, P (1, 2), Q = (1.03, 2.05)
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