TÌM F X      2 X  1 100D XF X X  CF X X  CF X X  CF X X  C...

Câu 12: Tìm

F x    2 x 1

100

d x

F x x  C

 

 

D.

   2 1

101

.

 

C.

   2 1

101

.

 

B.

   2 1

101

.

A.

   2 1

100

.

202

101

102

200

z  z