## page was renamed from Kreyszig-1.3-1-s ||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ x= var('x') y= function('y',x) deq1 = (9*y*diff(y,x))+(4*x)==0 desolve(deq1 ,[y,x]) }}} /* code_ends */ * '''Solution by''': *,, *,,