Question

这道题目怎么写？

Answer 1

微积分早就忘了，打火机，哪里不会点哪里吧

Answer 2

(1)
∫ √x dx
=(2/3)x^(3/2)+ C
(2)
∫ x√x dx
=(2/5)x^(5/2)+ C
(3)
∫ [ (x-√x) (1+√x) ]/x dx
=∫ [ x√x -√x ]/x dx
=∫ [ √x -x^(-1/2) ] dx
=(2/3)x^(3/2) -2√x + C