solve the ffg. differential equations:

Question

1. x^3 +(y+1)^2 dy/dx=0
2. dy/dx-(1+1/x)y=y^2
3. dy/dx + ytanx=y^3sec^4x

Answer 1

wolframalpha.com

and

http://wood.mendelu.cz/math/maw-html/index.php?lang=en&form=ode

can solve many ODE's

Answer 2

Hi.. that website is not helping much