Jawabanmu

2014-06-04T14:20:24+07:00
3x² - 2x + 1 = 0

rumus persamaan kuadrat baru (n-kali x₁ dan n-kali x₂) = ax² + nbx + n²c
ax² + nbx + n²c = 3x² - (3)2x + (3²)1
                       = 3x² - 6x + 9
2014-06-04T14:23:18+07:00
X1 + x2 = 2/3
x1x2 = 1/3
PK:
3x1 + 3x2 = 3(x1 + x2) = 3(2/3) = 2
3x1.3x2 = 9x1x2 = 9(1/3) = 3
PK baru:
x² - 2x + 3 = 0