tell the remainder when x-1 divides x⁴-2x²-4x-1
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Verified answer
Put x - 1 = 0.So remainder is 1 - 2 - 4 - 1 = - 6
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