( 2X2 – 3X + 1) LÀ
Bài 1: Kết quả phép nhân:
4x
2
. ( 2x
2
– 3x + 1) là :
A/ 8x
4
– 12x
2
+ 4x
2
B/ 8x
4
+ 12x
3
+ 4x
2
C/ 6x
4
– 12x
3
+ 4x
2
D/ 8x
4
– 12x
3
+ 4x
2
4x
2
. ( 2x
2
– 3x + 1) là :
A/ 8x
4
– 12x
2
+ 4x
2
B/ 8x
4
+ 12x
3
+ 4x
2
C/ 6x
4
– 12x
3
+ 4x
2
D/ 8x
4
– 12x
3
+ 4x
2