Jawabanmu

2014-01-10T21:26:26+07:00
Karena akar2 real maka D<0 . D = b²- 4ac
ax+bx+c=0
(m-1)x +4x + 2m = 0
D<0
b²-4ac <0
4² - 4 (m-1) 2m <0
16 - 8m + 8 <0
24 - 8m <0
-8m < -24
m> 3



1 2 1