A.  X X3 2 1 DX B)  LN X X2 DX C)   2 X X   1  310DX D)  ( X2...

Bài 1: Tính:

a.  x x

3

2

 1 dx b) ln x x

2

dx c) 2 x x 1 3

10

dx d)( x

2

3)

15

xdx .

 