t) Are the following differential equations exact? ( 3 dy 3 choose +y= dx - 1. Choose (5y – 2x)y' - 2y = 0. Choose (2y sin(x) cos(x) - y+ 2y²e#y* ) dx = (x – sin (x) – 4rye#y")dy.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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t) Are the following differential equations exact? (
dy
+y =
dx
3
– 1.
3
(a) Choose
1
十T
(b) Choose
(5y – 2x)y' – 2y = 0.
(c) Choose
2y sin(x) cos(x) – y+2y²e#y" ) dx = (x – sin? (x) – 4xye"y")dy.
|
Transcribed Image Text:t) Are the following differential equations exact? ( dy +y = dx 3 – 1. 3 (a) Choose 1 十T (b) Choose (5y – 2x)y' – 2y = 0. (c) Choose 2y sin(x) cos(x) – y+2y²e#y" ) dx = (x – sin? (x) – 4xye"y")dy. |
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