dy for 2xy = dr 4 cos(x) – y?." as Problem 18: A student answers a homework question "Find follows. Identify and explain the four mistakes they make in their work: d d (2.ry) dx (4 cos(x) – y²) d.x dy dy + 2.x = 4 sin(ax) – 2y- 2.x dx dy dy 2x 4 sin(æ) – 2y + 2x d.x

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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Question
dy
for 2xy =
4 cos(x) – y?." as
Problem 18: A student answers a homework question "Find
follows. Identify and explain the four mistakes they make in their work:
d
(4 cos(r) – y*)
dx
d
(2ay)
dx
dy
dy
2x-
+ 2x = 4 sin(x) – 2y-
d.x
d.x
dy
+ 2.x
dx
dy
4 sin(x) – 2y
dx
2.x-
Transcribed Image Text:dy for 2xy = 4 cos(x) – y?." as Problem 18: A student answers a homework question "Find follows. Identify and explain the four mistakes they make in their work: d (4 cos(r) – y*) dx d (2ay) dx dy dy 2x- + 2x = 4 sin(x) – 2y- d.x d.x dy + 2.x dx dy 4 sin(x) – 2y dx 2.x-
dy
dy
d.x
= 4 sin(x) – 2y-
+ 2x
d.x
dy
4 sin(x) – 2y-
+ 2.x
dy
d.x
2.x
d.x
Transcribed Image Text:dy dy d.x = 4 sin(x) – 2y- + 2x d.x dy 4 sin(x) – 2y- + 2.x dy d.x 2.x d.x
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