" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
u1 + u2 + u3 = 7
a + ar + ar² = 7
a x ar x ar² = 8
dicari manual karena kecil angkanya
u1....a = 1
u2... ar = 2
u3.... ar²= 4
rasionya :
u2 /u1.... ar/a = 2/1 = 2
jadi rasionya ... 2