tentukan himpunan penyelesaian pertidaksamaan kuadrat -2xpangkat2+11x-5>_0
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dikali -1 semua jadi 2x^2 - 11x + 5 < 0
(2x-1)(x-5)
x=1/5 , x=5
Hp {x|x<1/2 atau x>5 }