" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
r = U2/U1
r = 2/6
r = 1/3
S6 = a.(1 - r^n)/(1-r)
S6 = 6.(1 - (1/3)^6)/(1 - 1/3)
S6 = 6.(1 - 1/729)/(2/3)
S6 = 6.728/729.3/2
S6 = 728/81 = 8 80/81
Jawaban: B