" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x1.x2=4/9
x1²=4/9
x1=-2/3 atau 2/3
x1+x2=-6k/9
2.x1=-2k/3
Subtitusi x1=-2/3 atau 2/3
-4/3 = -2k/3
2k = 4
k=2
4/3 = -2k/3
k=-2
Jadi nilai K= -2 atau K=2