Jawabanmu

2014-06-03T14:46:52+07:00
2x^2 - 9x + 7 < 0
2x^2 - 9x + 7 = 0
(2x-7)(x-1) = 0
x = 7/2 atau x = 1
HP = {x| 1<x<7/2}
2 3 2