" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1 - 4x = 9 dgn 1 - 4x > 0
-4x = 8 dgn -4x> - 1
x = -2 dgn x < 1/4
³log (x² -4)= ³log (7x- x²)
x² - 4 = 7x - x² dgn x²-4 > 0 atau 7x - x² > 0
2x² - 7x - 4 = 0 dgn x² > 4 atau x(7-x) > 0
(2x +1)(x +4) = 0 dgn x < -2 atau x > 2 atau x < 0 atau x > 7
x = -1/2 (TM) atau x = - 4