November 2019 2 116 Report
Persamaan kuadrat 4x^2 - 8kx + 9 = 0 mempunyai akar yang selisihnya 4. Nilai k=...
A. -5/2 atau 5/2
B. -3/2 atau 3/2
C. -3 atau 2
D. -5 atau 1/2
E. 5/2 atau 5​
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