(x-y-2)dx+(x+y)Dy=0
Answers
Answered by
7
Answer:⇒x(y
2
+1)dx+y(x
2
+1)dy=0
⇒(
x
2
+1
2x
)dx+(
y
2
+1
2y
)dy=0
let
t=x
2
+1>
⇒dt=2xdx
k=y
2
+1
⇒dk=2ydy
⇒∫
t
dt
+∫
k
dk
=log c
⇒kt=c
⇒(x
2
+1)(y
2
+1)=c
Step-by-step explanation:
Similar questions