" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b=akar(72+b)
b^2=72+b
b^2 - b- 72=0
(b-9)(b+8)=0
b=9 atau b=-8
karena numerus harus > 0 maka yg memenuhi adalah b = 9
jadi a log b = (0,333...)log 9 = (1/3)log 9 = (3^-1)log(3^2) = (2/-1).3log3 = -2.