並前往https://www.studocu.com/tw/document/%E5%9C%8B%E7%AB%8B%E8%87%BA%E5%8C%97%E7%A7%91%E6%8A%80%E5%A4%A7%E5%AD%B8/engineering-mathematics/advanced-engineering-mathematics-10e%E5%81%B6%E6%95%B8%E9%A1%8C%E8%A7%A3%E7%AD%94ch1/5729289