(36*x)/(5*(x^2 + 25)^(1/2)) + (18*(2*x - 40))/(5*((x - 20)^2 + 64)^(1/2)) + (105*((x - 20)^2 + 64)^

来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 15:04:27
(36*x)/(5*(x^2 + 25)^(1/2)) + (18*(2*x - 40))/(5*((x - 20)^2 + 64)^(1/2)) + (105*((x - 20)^2 + 64)^

(36*x)/(5*(x^2 + 25)^(1/2)) + (18*(2*x - 40))/(5*((x - 20)^2 + 64)^(1/2)) + (105*((x - 20)^2 + 64)^
(36*x)/(5*(x^2 + 25)^(1/2)) + (18*(2*x - 40))/(5*((x - 20)^2 + 64)^(1/2)) + (105*((x - 20)^2 + 64)^

(36*x)/(5*(x^2 + 25)^(1/2)) + (18*(2*x - 40))/(5*((x - 20)^2 + 64)^(1/2)) + (105*((x - 20)^2 + 64)^
题目是不是没完整啊.后面应该还有个1/2吧?