||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ #Kreyszig Pg.107 Problem set 2.9 Question 2 var('x') y=function('y',x) print desolve(diff(y,x,2)-y==2*exp(x)+6*exp(2*x),[y,x])}}} /* code_ends */ * '''Solution by''': * , , * , ,