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15 October, 14:38

Use the Remainder Theorem to determine which binomial is a factor of the function f (x) = x3 - 2x2 - 19x + 20.

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  1. 15 October, 18:28
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    (x - 1)

    Step-by-step explanation:

    Given

    f (x) = x³ - 2x² - 19x + 20

    The sum of the coefficients is 1 - 2 - 19 + 20 = 0

    This means that x = 1 is a root and (x - 1) is a factor of f (x)
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