Respuesta :

[tex] \frac{1}{6} [/tex] : Common ratio

Check:
=[tex] -\frac{1}{12} [/tex] ÷ [tex] \frac{1}{6} [/tex]
=[tex] -\frac{1}{12} [/tex] × 6
=[tex] -\frac{1}{2} [/tex]

=[tex] -\frac{1}{2} [/tex] ÷ [tex] \frac{1}{6} [/tex]
=[tex]- \frac{1}{2} [/tex] × 6
=-3