for Ricrdo

X^3 – 11x^2 + 26x – 16 < 0

±1, ±2, ±4,±8,±16

X^3 – 11x^2 + 26x – 16/x -1

X^2 – 10x + 16

(x – 1) (x – 2) (x – 8)

X = 1, 2, 8

Interval notation = No solution

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