CoCalc -- Collaborative Calculation in the Cloud
Sharedsupport / 2015-11-05-171906-poly-nf.sagewsOpen in CoCalc

Examples for support purposes...

k.<z> = QuadraticField(5)
R.<a,b,c,d> = k[]
show( (a+b*z)*(c+d*z) )
ac+5bc+5ad+5bd\displaystyle a c + \sqrt{5} b c + \sqrt{5} a d + 5 b d