{{ #2.4-7 x=var('x') y=function('y',x) de=diff(y,x,2)-4*diff(y,x,1)==0 desolve(de,y) }}}

SageDays/Kreyszig-2.4-7 (last edited 2010-08-11 12:21:19 by shambulingayya.N.D)