Solve the differential equation with the appropriate method. Finalize answer free of fractions, logarithms, and express final answer equated to C.                                                                                                                                                  (2x - 5y + 3)dx - (2x + 4y - 6)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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Solve the differential equation with the appropriate method. Finalize answer free of fractions, logarithms, and express final answer equated to C.                                                                                                                                                  (2x - 5y + 3)dx - (2x + 4y - 6)dy = 0

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Hello, may I ask how was this part obtained? Why are there A and B? This part wasn't on our lesson so I was confused. Thank you so much in advance.

Now
(4 v+2)
A
(4v -1) (V+2) ¯ (4v-1)
+
(v+2)
(Av-1)
= A (v+2) + B (4v - 4)
= v (A + 46) + (2A -B)
4 v +2
4V + 2
Compaxing coefficients
both Side
e,we get
on
A + 4B =4
and
2A
= 2
and then adding O80
Multiplying
j we. get
by
4
A + 4B
8A
- 4B
=8
9A
= 12
12
6.
4
Now, Prom O for A = 3 we
get
+ 4B =4
B
2
ニ
50,
(4v + 2)
4.
2
(Av-1) (v+2)
3(4v-1)
3 (v+2)
Av+2)
(Av-1)()
4
dv
2
= AP
(1v-1)
(av+2)
4
; J लv-)
2
dv
= ^P
Av-1)(V42)
(4v +2) dv
(Av-1) (V+2)
4.1 In (Av-) + o (v+ 2)
(4v+2)
(Av-1) (v+2)
dv = a(4v-1)+응 h(v+)
Transcribed Image Text:Now (4 v+2) A (4v -1) (V+2) ¯ (4v-1) + (v+2) (Av-1) = A (v+2) + B (4v - 4) = v (A + 46) + (2A -B) 4 v +2 4V + 2 Compaxing coefficients both Side e,we get on A + 4B =4 and 2A = 2 and then adding O80 Multiplying j we. get by 4 A + 4B 8A - 4B =8 9A = 12 12 6. 4 Now, Prom O for A = 3 we get + 4B =4 B 2 ニ 50, (4v + 2) 4. 2 (Av-1) (v+2) 3(4v-1) 3 (v+2) Av+2) (Av-1)() 4 dv 2 = AP (1v-1) (av+2) 4 ; J लv-) 2 dv = ^P Av-1)(V42) (4v +2) dv (Av-1) (V+2) 4.1 In (Av-) + o (v+ 2) (4v+2) (Av-1) (v+2) dv = a(4v-1)+응 h(v+)
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