CHO  F X DX( ) 3X24X C . TÌM  F(E ) DXXCÂU 30

Câu 30: Cho

f x dx( ) 3x

2

4x C. Tìm

f(e ) dx

x

x

x

x

f dxeeC(e ) 4A. 3

2

B.

f(e )

x

dx3e

2

x

4e

x

C.2C.

f(e )

x

dx6e

x

4x C . D.

f(e )

x

dx6e

x

4x C .