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Putra Gema Nusa
Rockstar Teacher GURU SMA
B) 7, 12, 17, 22 ... Ditanya Rumus suku ke-n / Un= a (7 12, 17, 22, = +5 +5 +5 > 5 Un=at (n-1) 7 + (n-1) s 7 t In-5 11 c _8 Un - 2 + 5 n Pahamify 
:) 80=ar 80 = a. I 2 9 a= 160 6) modal : Barisan Geometri U₂ =80, U6=5 Ditanya a, U2, Us Un= arni -> U₂ = 80 80 80 U6 .Ę > 11 80 U₂ Us 11 arzy 2 E ( r =ar U₂. r с -80. h 2 40 > -> Iue = 6-1 n s =ar 11 ars 5 Olo ar.r -4 =80.54 o. 160, 80, 40 5 4 ora I 2 80 16 Pahamify
B) 7, 12, 17, 22 ... Ditanya Rumus suku ke-n / Un= a (7 12, 17, 22, = +5 +5 +5 > 5 Un=at (n-1) 7 + (n-1) s 7 t In-5 11 c _8 Un - 2 + 5 n Pahamify 
:) 80=ar 80 = a. I 2 9 a= 160 6) modal : Barisan Geometri U₂ =80, U6=5 Ditanya a, U2, Us Un= arni -> U₂ = 80 80 80 U6 .Ę > 11 80 U₂ Us 11 arzy 2 E ( r =ar U₂. r с -80. h 2 40 > -> Iue = 6-1 n s =ar 11 ars 5 Olo ar.r -4 =80.54 o. 160, 80, 40 5 4 ora I 2 80 16 Pahamify
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