December 2018 1 47 Report
Persamaan kuadrat x^2- (c-2)x+4=0 mempunyai akar-akar x1 dan x2. Jika x1 > 1 dan x2 > 1 maka ...
(a) c > 7
(b) c ≤ -2
(c) 6 ≤ c < 7
(d) c ≤ -2 atau c ≥ 6
(e) c ≤ -2 atau 2 ≤ c < 7

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