Question

Himpunan penyelesaian |2x-1| = |2-3x| adalah

Answer 1

(2x-1)^2 = (2-3x)^2
4x^2 -4x +1 = 4 -12x +9x^2
5x^2 -8x +3 = 0
(5x -3)(x-1) =0
5x -3 =0
5x =3
x = 3/5
atau
x-1=0
x= 1

hp = {3/5 , 1 }