4) Derivatives
1) Derivative of a function
> restart;
> g:=(x^2-1)^2/sqrt(x^2+1);
> diff(g,x);
> simplify(%);
Implicit Differentiation
> 3*x^2-x^2*y(x)^3+4*y(x)=12;
> map(diff,%,x);
> yprime:=solve(%,diff(y(x),x));