Question

differential equation problem

Answer 1

dy/dx+P(X)y=Q(x) y^n=
Divide by y^n
y^(-n) dy/dx+P(x) y/y^n =Q(x)
Multiply by (1-n)
(1-n) y^(-n) dy/dx+P(x)(1-n) y^(1-n)=(1-n)Q(x)
Put y^(1-n)=u
(1-n) y^(-n) dy/dx=du/dx
du/dx+P(x)(1-n)u=(1-n)Q(x)

Answer 2

thank you! :D

Answer 3

yw