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Mathematics, 21.05.2020 22:05 fggfg33

If-1 is a root of f(x), which of the following must be true?
A factor of f(x) is (x - 1).
O A factor of f(x) is (x + 1).
Both (x - 1) and (x + 1) are factors of f(x).
Neither (x - 1) nor (x + 1) is a factor of f(x).

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You know the right answer?
If-1 is a root of f(x), which of the following must be true?
A factor of f(x) is (x - 1).
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