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12 December, 17:41

Check all of the numbers that are potential rational roots of f (x) = x4 - 2x3 + 5x2 - 7x + 9.

a ±1

b ±3

c ±9

d 1/3

e 1/9

f 9/2

+2
Answers (1)
  1. 12 December, 19:24
    0
    The answer is a, b, and c. 1,3,9
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