Himpunan Penyelesaian Dari Persamaan Kuadrat 1/2x² - x - 4 = 0 Adalah?
A.{4,-2}
B.{2,-4}
C.{4,2}
D.{-4,2}
A.{4,-2}
B.{2,-4}
C.{4,2}
D.{-4,2}
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(1/2 x + 1) (x - 4) = 0
1/2 x = -1, x = -2
x = 4.
Himpunan jawabannya = {4,-2}