2-9.mws

>

> simplify((u+p/q)/(1-u*p/q));

-(u*q+p)/(-q+u*p)

>

u 1 1 tan(x)
2*u 1-u^2 2 2*tan(x)/(1-tan(x)^2)
3*u-u^3 1-3*u^2 3 (3*tan(x)-tan(x)^3)/(1-3*tan(x)^2)
4*u-4*u^3 1-6*u^2+u^4 4 (4*tan(x)-4*tan(x)^3)/(1-6*tan(x)^2+tan(x)^4)
5*u-10*u^3+u^5 1-10*u^2+5*u^4 5 (5*tan(x)-10*tan(x)^3+tan(x)^5)/(1-10*tan(x)^2+5*ta...
6*u-20*u^3+6*u^5 1-15*u^2+15*u^4-u^6 6 (6*tan(x)-20*tan(x)^3+6*tan(x)^5)/(1-15*tan(x)^2+15...