" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y = 3x-3
3x-3 = x² + (k+1)x + 1
0 = x² + (k-2) + 4
2 penyelesaian, berarti D > 0
D > 0
b² - 4.a.c > 0
(k-2)² - 4.1.4 > 0
k²-4k+4-16 > 0
k²-4k-12 > 0
(k+2)(k-6) > 0
maka: k < -2 atau k > 6