(THPTQG – 2017 – 102 – 21) CHO ( ) 2F X DXG( ) X DX 1112    2...

Câu 6: (THPTQG – 2017 – 102 – 21) Cho

( ) 2

f x dx

g( ) x dx 1



1

2

 

   

2 ( ) 3g(x)

I x f x dx

.

A. 5

I  2 . B. 7

I  2 . C. 17

I  2 . D. 11

I  2 .

4

 ^{. Tính 2}

I   f x dx

(2 )