Jawab:
1/81
Penjelasan dengan langkah-langkah:
U7= ar^6 t= U2/U1= 3/9= 1/3
U7= 9(1/3)^6 U7= 9(1/729) U7= 1/81
r=3/9
r= 1/3
Un= a.r^n-1
U7=a.r⁶
U7=9. (1/3)⁶
U7=9. 1/729
U7= 1/81
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Jawab:
1/81
Penjelasan dengan langkah-langkah:
U7= ar^6
t= U2/U1= 3/9= 1/3
U7= 9(1/3)^6
U7= 9(1/729)
U7= 1/81
Penjelasan dengan langkah-langkah:
r=3/9
r= 1/3
Un= a.r^n-1
U7=a.r⁶
U7=9. (1/3)⁶
U7=9. 1/729
U7= 1/81