hasil dari 24 - 18 + 27/2 - 81/6 + ... adalah

jawab

24 - 18 + 27.2 0 81.6 + ...
a= 24
r = u2/u1 = -18/24 = -3/4

s~ = a/ ( 1- r)
s~ = 24 / ( 1 - (-3/4))
s~ = 24/(1 + 3/4)
s~ = 24/ (7/4)  = 4(24) /7 = 96/7