Jawabanmu

2014-06-04T11:43:38+07:00
A+b = 3/2 dan ab = -5/2
PK:
x1 + x2 = -(1/a + 1/b) = -(a+b/ab) = 3/5
x1x2 = 1/ab = -2/5
PK baru:
x² - 3x/5 - 2/5 = 0
5x² - 3x - 2 = 0