||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ x = var('x') # define a variable x y = function('y',x) # define y to be a function of that variable DE = diff(y, x) + (2*y)/x desolve(DE, [y,x]) }}} /* code_ends */ * '''Solution by''': * , , * , , * , ,