~Jawab~
BarisaN GeoMetri
___________________
cari rasio:
substisukan r
ar = 8
2a = 8
a = 4
Sehingga:
U7 = ar⁶
U7 = 4 . 2⁶ = 4 . 64 = 256
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U2 = 8
a.r = 8
U5 = 64
a.r^4 = 64
maka,
a.r^4 / a.r = 64/8
r^3 = 8
r = akar pangkat tiga dari 8
r = 2
sehingga,
U2 = 8
a.r = 8
a.2 = 8
a = 8/2
a = 4
jadi,
U7
= a.r^6
= 4.2^6
= 4.64
= 256
#Semogamembantu
#Semogabenar
#tutormath37
~Jawab~
BarisaN GeoMetri
___________________
cari rasio:
substisukan r
ar = 8
2a = 8
a = 4
Sehingga:
U7 = ar⁶
U7 = 4 . 2⁶ = 4 . 64 = 256