Jawabanmu

2014-05-12T21:57:18+07:00
2x^2 + 6x + (2m-1) = 0 Semua dibagi 2 sehingga menjadi
x^2 + 3x + (2m-1)/2= 0
alfa = a dan beta =b
a = 2b
a + b = 3
2b + b =3
3b = 3
b = 1
dengan demikian a = 2
 a x b = (2m-1)/2
2 x 1 = (2m-1)/2
2 = (2m-1)/2
2 x 2 = 2m-1
4 = 2m-1
4 + 1 = 2m
5/2 = m


2 3 2