NẾU ( ) 4F X DX=( ) 3G X DX= −[ ( )F X −G X( )]DX111A. 7 . B....

Câu 8.

Nếu

( )

4

f x dx

=

( )

3

g x dx

= −

[ ( )

f x

g x

( )]d

x

1

A.

7 .

B.

7

.

C. 1.

D.

1

.

5