Obtain the general solution of the following differential equations.
`dy/dx(x^2+1)(y^2+1)`

Explanation

`dy/dx=(x^2+1)(y^2+1)`
`rArrdy/(1+y^2)=x^2+1`
`intdy/(1+y^2)=int(x^2+1)dx`
`tan^(-1)=x^3/3+x+C`