"Source: Text/Commut/RngDiff.text";
"Line: 4129";
"Date: Thu Sep 25 14:47:46 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Commut/RngDiff.text, line: 4129
// Example: H121E74 ()
print "Example: H121E74";
ei := GetEchoInput();
SetEchoInput(true);
S<t>:=DifferentialLaurentSeriesRing(Rationals());
RS<DS> := DifferentialOperatorRing(S);
L:=(DS+2/t)^2;
rhf, bl := RightHandFactors(L);
rhf;
bl;
SetEchoInput(ei);
