y'-xy=-y.^3(e.^x.^2)
y=uv, y'=u'v+v'u
u'v+v'u-uvx=-(uv).^3(e.^-x.^2)
u'v+u(v'-vx)=-(uv).^2(e.^-x.^2)
v'-vx=0
dv/v=xdx
Inv=x.^2/2
v=e.^x.^2/2
u'e.^x.^2/2=-u.^3e.^x.^2/2
u'=-u.^3
-du/u.^3=dx
1/2u.^2=x+C
u.^2=1/2(x+C)
y.^2=(uv).^2=e.^x.^2/2(x+C)
Пошаговое объяснение:
y'-xy=-y.^3(e.^x.^2)
y=uv, y'=u'v+v'u
u'v+v'u-uvx=-(uv).^3(e.^-x.^2)
u'v+u(v'-vx)=-(uv).^2(e.^-x.^2)
v'-vx=0
dv/v=xdx
Inv=x.^2/2
v=e.^x.^2/2
u'e.^x.^2/2=-u.^3e.^x.^2/2
u'=-u.^3
-du/u.^3=dx
1/2u.^2=x+C
u.^2=1/2(x+C)
y.^2=(uv).^2=e.^x.^2/2(x+C)
Пошаговое объяснение: