Question

tell the remainder when x-1 divides x⁴-2x²-4x-1​

Answer 1

Put x - 1 = 0.
So remainder is 1 - 2 - 4 - 1 = - 6

Answer 2

Answer:

x-1 ) x4 -2x2-4x-1 ( x3+x2-x-5

x4 -x3

0 +x3 -2x2 -4x -1

+x3 -x2

0 -x2 -4x -1

-x2+x

0 -5x-1

-5x+5

0 -6

remainder = -6