(×-1)is afactor of (2×^4+9×^3+6×^3-11×-6

Asked by amittomer | 25th May, 2020, 03:40: PM

Expert Answer:

To check whether (x-1) is a factor of 2x4+9x3+6x2-11x-6
Put x=1
2x4+9x3+6x2-11x-6 = 2(1)4 + 9(1)3 + 6(1)2 - 11(1) - 6 = 2 + 9 + 6 - 11 - 6 = 17 - 17 = 0
Hence, (x-1) is a factor of 2x4+9x3+6x2-11x-6.

Answered by Renu Varma | 25th May, 2020, 06:35: PM