Diketahui deret geometri s♾️ suku a=1per4 dan r=1per4 tentukan s♾️ Jawaban: DerGeo Infinite = S∞ = a/1-r S∞ = (1/4)/(1 – 1/4) S∞ = (1/4)/(3/4) S∞ = 1/4 × 4/3 S∞ = 4/12 S∞ = 1/3