Besar rasio dan baris geometri 1/2, 1/6, 1/18 adalah. Mohon bantuannya

r = U2 :U1
= 1/6 : 1/2
= 1/6 x 2/1
= 2/6 =1/3

r = [tex] \frac{ U_{2} }{ U_{1} } [/tex] = [tex] \frac{1/6}{1/2} [/tex] = [tex] \frac{1}{6} [/tex] x [tex] \frac{2}{1} [/tex] = [tex] \frac{2}{6} = \frac{1}{3} [/tex]