September 2018 1 136 Report
Mohon di jawab dong kakak :')
13. x1, x2, dan x3 adalah akar-akar persamaan 2x³ – x² + px + 4 = 0. Jika x1 dan x2 saling berlawanan nilai p adalah…
A. -8
B. -1/2
C. 1/2
D. 7
E. 8
14. Nilai k supaya akar-akar persamaan x³ + 3x² -6x + k = 0 , membentuk barisan aritmetika adalah…
A.-8
B.-6
C. -3
D. 7
E.8

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