16. (yety-1/y) dx + (xey + x/y²) dy = 0

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 #16
9
F2
3
6. y² dx + (2xy + cos y) dy = 0
7.
[2x + y cos (xy) ]dx + [x cos(xy) - 2y]dy = 0
8. 0 dr + (3r-0-1) de = 0
In Problems 9-20, determine whether the equation is exact.
If it is, then solve it.
9. (2xy + 3) dx + (x²-1)dy = 0
10. (2x+y) dx + (x-2y) dy = 0
11. (e'sin y - 3x²) dx + (ecos y + y-2/3/3) dy = 0
12. (cos x cos y + 2x) dx - (sin x sin y + 2y) dy = 0
13. e'(y-t) dt+ (1+ e¹) dy = 0
14. (t/y) dy + (1 + In y) dt = 0
15. cos 0 dr (r sin 0 - e) de = 0
16. (yey-1/y) dx + (xey+x/y²) dy = 0
17. (1/y) dx - (3y - x/y²) dy = 0
18. [2x + y² cos (x + y)] dx
19.
80
F3
r
2x +
$
+ [2xy = cos(x+y) - e']dy = 0
4
y
1 + 2²5² ) dx + (₁ +372-2y) dy
1 x²y²
1
F4
%
5
F5
MacBook Air
A
6
F6
&
7
F7
*
= 0
8
DII
FB
(
9
F9
29. Co
(C
30. C
)
(a
(E
31.
(
(
F10
Transcribed Image Text:9 F2 3 6. y² dx + (2xy + cos y) dy = 0 7. [2x + y cos (xy) ]dx + [x cos(xy) - 2y]dy = 0 8. 0 dr + (3r-0-1) de = 0 In Problems 9-20, determine whether the equation is exact. If it is, then solve it. 9. (2xy + 3) dx + (x²-1)dy = 0 10. (2x+y) dx + (x-2y) dy = 0 11. (e'sin y - 3x²) dx + (ecos y + y-2/3/3) dy = 0 12. (cos x cos y + 2x) dx - (sin x sin y + 2y) dy = 0 13. e'(y-t) dt+ (1+ e¹) dy = 0 14. (t/y) dy + (1 + In y) dt = 0 15. cos 0 dr (r sin 0 - e) de = 0 16. (yey-1/y) dx + (xey+x/y²) dy = 0 17. (1/y) dx - (3y - x/y²) dy = 0 18. [2x + y² cos (x + y)] dx 19. 80 F3 r 2x + $ + [2xy = cos(x+y) - e']dy = 0 4 y 1 + 2²5² ) dx + (₁ +372-2y) dy 1 x²y² 1 F4 % 5 F5 MacBook Air A 6 F6 & 7 F7 * = 0 8 DII FB ( 9 F9 29. Co (C 30. C ) (a (E 31. ( ( F10
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