||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ sage: integrate(exp(-x^2)*log(x), x) integrate(e^(-x^2)*log(x), x) sage: f = exp(-x^2)*log(x) sage: f.nintegral(x, 0, 999) }}} /* code_ends */ * '''Solution by''': * , , * , ,