TÌM X X22DXB. 1(X2 2) CC. 1(X2 2) CA. 1 X2 2 C3  2  3   D. 1(X...

Câu 23: Tìm

x x

2

2dx

B.

1

(x

2

2) C

C.

1

(x

2

2) C

A.

1

x

2

2 C

3

 

2

 

3

 

D.

1

(x

2

2) x

2

2 C

3

 

ln

5

I

x

dx