University, Engineering Math
posted by Taldil .
solve the ffg. differential equations:
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

wolframalpha.com
and
http://wood.mendelu.cz/math/mawhtml/index.php?lang=en&form=ode
can solve many ODE's 
Hi.. that website is not helping much
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