A) X4 + 2X3 + 5X2 + 4X - 12 = 0 B) X4 - 4X3 - 10X2 + 37X - 14 = 0 2XX...

bài 26: - DE THI HOC SINH GIOI TOAN
DE THI HOC SINH GIOI TOAN
Bài 26: a) x

4

+ 2x

3

+ 5x

2

+ 4x - 12 = 0 b) x

4

- 4x

3

- 10x

2

+ 37x - 14 = 0

2

x