NẾU 1 ( )D 2F X +G X DXD 3F X X=G X X=  000A. 6 . B. 5. C. 3....

Câu 2: Nếu

1

( )

d 2f x +g x dxd 3f x x=g x x=  

0

A. 6 . B. 5. C. 3. D. 2.